Pregnancy Tracker Converter

INTRODUCTION

You stared at the positive pregnancy test.

Your heart raced. Your hands shook. And then the first question hit you: "When is my baby due?"

You grabbed your phone. You opened a calendar. You counted forward nine months from today. You got a date. But was it right? Did you count from your last period or from conception? Were you supposed to add 280 days or 266? You felt a wave of uncertainty at the very moment you needed clarity most.

You are a first-time mother at 10 weeks. Your doctor mentioned "fetal crown-rump length" and "gestational age." You nodded along, then googled frantically in the parking lot. You found conflicting numbers. Some sites said your baby is the size of a strawberry. Others said a kumquat. You just wanted to know: Is my baby growing normally? Am I in the first trimester or already crossing into the second?

You are a father-to-be planning paternity leave. Your partner is 28 weeks pregnant. You need to know the exact due date to file paperwork with HR. You also need to understand trimester boundaries because your company's policy pays differently depending on when leave starts. You cannot afford to guess. Your family's financial planning depends on precision.

You are a healthcare worker in a busy clinic. A patient says her last period was "sometime in February." You need to estimate gestational age quickly and accurately to schedule screenings, ultrasounds, and prenatal appointments. Mental math is slow and error-prone. A reliable pregnancy calculator saves you minutes per patient — and minutes matter when your waiting room is full.

This is what happens when you trust guesswork, calendar confusion, and approximate memory instead of a Pregnancy Tracker & Calculator.

Pregnancy is not a single countdown. It is temporal biology — a precise measurement of gestational age, fetal development, trimester transitions, screening windows, and delivery preparation, expressed in multiple units and adjusted for cycle length, conception timing, ultrasound measurements, and individual health factors. Your gestational age differs from your embryonic age. Your due date calculated from LMP differs from your due date calculated from conception. A "week" is 7 days, but fetal development happens in biological time, not calendar time. A "trimester" is roughly 13 weeks, but medical thresholds vary by purpose.

In 2026, with prenatal care requiring week-specific precision, genetic screening windows measured in days, maternity leave planning spanning months, and fetal development tracking down to the millimeter, "about six months pregnant" is a guaranteed mistake. A Pregnancy Tracker does not just add nine months to a date. It calculates exact gestational age in weeks and days. It tracks fetal growth milestones week by week. It identifies critical screening windows. It adjusts for irregular cycles, IVF dates, and ultrasound measurements. It provides trimester-specific guidance, countdown timers, and developmental context that turns anxiety into informed confidence.

Knowing your exact pregnancy timeline is not optional.

It is essential for every expectant parent, healthcare provider, doula, midwife, HR professional, insurance coordinator, and anyone who has ever stared at a positive test and asked: "What happens now?"

WHAT IS A PREGNANCY TRACKER & CALCULATOR?

A Pregnancy Tracker & Calculator is a temporal and biological computation tool that determines the precise elapsed time since conception or last menstrual period, estimates the expected delivery date, tracks fetal development milestones, and provides week-by-week guidance adjusted for individual cycle variations, medical measurements, and pregnancy type.

It handles the complexity that makes human intuition dangerously wrong:

Gestational Age Computation

Exact weeks and days — Not rounded months or vague trimesters
LMP-based calculation — Standard 280-day Naegele's rule
Conception-based calculation — 266 days from known conception
Ultrasound dating adjustment — Crown-rump length (CRL) corrections
IVF date specificity — Exact embryo transfer day calculations
Cycle length adjustment — For cycles shorter or longer than 28 days

Multiple Time Perspectives

Gestational age — Time since last menstrual period (medical standard)
Embryonic age — Time since actual conception (2 weeks less than gestational)
Trimester tracking — First (0–13+6), Second (14–27+6), Third (28–40+)
Week-by-week development — Fetal size, organ formation, movement milestones
Days until due date — Precise countdown with automatic updates
Months pregnant — Calendar months vs. lunar months vs. 4-week "months"

Critical Medical Windows

First trimester screening — 11–14 weeks (nuchal translucency)
Genetic testing — NIPT at 10+ weeks, amniocentesis at 15–20 weeks
Anatomy scan — 18–22 weeks detailed ultrasound
Glucose screening — 24–28 weeks gestational diabetes test
Group B strep — 35–37 weeks screening
Full-term window — 39–40+6 weeks optimal delivery timing

Milestone & Event Tracking

Weekly fetal size comparisons — Fruit, vegetable, or object references
Organ development timeline — Heartbeat, brain, limbs, lungs, senses
Movement milestones — Quickening, regular kicks, hiccups
Preparation checklist — Nursery, hospital bag, birth plan, maternity leave
Countdown milestones — Halfway point, third trimester, full term, due date

Specialized Pregnancy Applications

Twins and multiples — Adjusted growth curves and earlier delivery windows
High-risk pregnancy — Modified timelines for diabetes, hypertension, previa
IVF pregnancy — Exact dating from embryo transfer date
Previous C-section — TOLAC/VBAC timing considerations
Postpartum tracking — Recovery timeline, breastfeeding milestones

Standard Inputs

Last menstrual period (LMP) — First day of last period (most common)
Conception date — Known or estimated date of fertilization
IVF transfer date — Date of embryo transfer with embryo age
Ultrasound measurements — Crown-rump length or biparietal diameter
Cycle length — Average days between periods (default 28)
Reference date — Today, specific appointment date, or future date

Outputs You Get

Estimated due date (EDD) — Primary delivery date estimate
Gestational age today — Weeks and days pregnant
Trimester status — Current trimester with dates
Fetal development stage — Size, weight, organ development
Upcoming screenings — Next medical appointments and tests
Days until due date — Live countdown
Conception window — Fertile period if LMP is known
Birth probability — Likelihood of delivery by specific week

It answers the questions every expectant parent asks:

"Exactly how many weeks pregnant am I?"

"When is my baby due?"

"What should I expect at 20 weeks?"

"Is my baby growing normally?"

HOW TO USE THE NUMOVIX PREGNANCY TRACKER & CALCULATOR

Our calculator gives you a complete pregnancy profile in under 10 seconds — before your first doctor's appointment, before you announce the news, or before you plan your maternity leave.

Step 1: Enter Your Pregnancy Information

Example: Last menstrual period began January 10, 2026

First day of LMP: January 10, 2026
Average cycle length: 28 days (adjust if different)
Conception date (if known): January 24, 2026
IVF transfer date (if applicable): Not applicable
Ultrasound dating (if available): Optional

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Step 2: Select Your Reference Date (Optional, Defaults to Today)

Example: July 13, 2026

Or select "Today" for automatic current date
Or select a future date for planning (e.g., your vacation date)
Or select a past date for retrospective calculation

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Step 3: Choose Your Calculation Preferences

Example:

Primary display: Weeks and days pregnant
Additional units: Months, trimester, days until due date
Show fetal development: Yes
Show upcoming screenings: Yes
Show preparation checklist: Yes
Show conception window: Yes

Step 4: Click "Calculate Pregnancy Timeline"

You will instantly see:

Example: LMP January 10, 2026 — Calculated July 13, 2026

Pregnancy Timeline Breakdown

| Metric | Value |

| Gestational age | 26 weeks, 3 days |

| Embryonic age | 24 weeks, 3 days |

| Trimester | Second trimester (14–27+6 weeks) |

| Days until due date | 95 days |

| Estimated due date | October 17, 2026 |

| Days pregnant | 184 days |

| Months pregnant | 6 months, 3 days |

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Fetal Development This Week (Week 26)

| Metric | Value |

| Fetal size | 14 inches (35.6 cm) crown to heel |

| Fetal weight | Approximately 1.7 pounds (760 grams) |

| Size comparison | About the length of a scallion |

| Development highlights | Eyes opening, responding to light; developing sense of touch; practicing breathing movements; brain wave activity for hearing and sight |

| Movement | Active kicking and stretching; you should feel regular movement |

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Upcoming Medical Milestones

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Trimester Breakdown

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Conception Window (Retrospective)

| Metric | Value |

| Estimated ovulation | January 24, 2026 |

| Fertile window | January 21–26, 2026 |

| Conception likely occurred | January 22–25, 2026 |

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Preparation Checklist

| Task | Recommended Timing | Status |

| Choose healthcare provider | First 8–10 weeks | Should be complete |

| Prenatal vitamins | Daily throughout | Ongoing |

| Announce pregnancy | After 12 weeks | Personal choice |

| Maternity leave paperwork | Second trimester | Do soon |

| Childbirth classes | Third trimester | Plan for August |

| Nursery setup | Third trimester | Plan for August |

| Hospital bag packing | 36+ weeks | Future |

| Birth plan discussion | 32–36 weeks | Future |

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Delivery Probability Timeline

| Week | Probability of Delivery | Status |

| 37 weeks (Preterm) | ~6% | Not yet reached |

| 38–39 weeks (Early term) | ~25% | Future |

| 39–40 weeks (Full term) | ~55% | Optimal window |

| 40–41 weeks | ~25% | Common |

| 41+ weeks (Post-term) | ~5–10% | May require induction |

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THE MATH BEHIND PREGNANCY CALCULATION

Understanding gestational computation protects you from dangerous guesswork.

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Naegele's Rule (Standard Due Date Calculation)

Formula:

> Estimated Due Date = First day of LMP + 1 year − 3 months + 7 days

Example:

LMP: January 10, 2026
Add 1 year: January 10, 2027
Subtract 3 months: October 10, 2026
Add 7 days: October 17, 2026

This assumes a 28-day cycle. For longer or shorter cycles, adjust the due date by the difference from 28 days.

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Gestational Age Calculation

Formula:

Gestational Age (weeks) = (Current Date − LMP Date) ÷ 7

Example: July 13, 2026 minus January 10, 2026

Total days: 184 days
184 ÷ 7 = 26.3 weeks = 26 weeks, 3 days

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Embryonic Age Calculation

Embryonic age is always 2 weeks less than gestational age because pregnancy "starts" at LMP, but conception typically occurs approximately 2 weeks later.

Formula:

Embryonic Age = Gestational Age − 2 weeks

Example: 26 weeks, 3 days gestational = 24 weeks, 3 days embryonic

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Cycle Length Adjustment

For cycles longer or shorter than 28 days:

Formula:

Adjusted Due Date = Naegele's EDD + (Cycle Length − 28 days)

Example: 32-day cycle

October 17, 2026 + (32 − 28) = October 17 + 4 days = October 21, 2026

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IVF-Specific Dating

For IVF pregnancies, dating is more precise:

| IVF Type | Calculation Method |

| Day 3 embryo transfer | Transfer date + 263 days |

| Day 5 blastocyst transfer | Transfer date + 261 days |

| Day 6 blastocyst transfer | Transfer date + 260 days |

Ultrasound Dating Adjustment

When early ultrasound (first trimester) differs from LMP dating by more than 7 days, medical guidelines recommend using the ultrasound date.

Crown-Rump Length (CRL) Dating:

Most accurate at 7–13 weeks
Measures fetus from head to bottom
Adjusts EDD based on standardized growth curves

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COMPLETE REAL EXAMPLE

Sarah's Pregnancy Journey

Starting Point:

LMP: March 5, 2026
Average cycle: 30 days
Current date: July 13, 2026
First pregnancy, no complications

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The Calculation She Needs

| Metric | Value |

| Gestational age today | 18 weeks, 6 days |

| Adjusted due date (30-day cycle) | December 16, 2026 |

| Trimester | Second trimester |

| Days until due date | 156 days |

| Embryonic age | 16 weeks, 6 days |

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This Week's Development (Week 18–19)

| Feature | Detail |

| Fetal size | 5.6 inches (14.2 cm) crown to rump |

| Fetal weight | ~7 ounces (200 grams) |

| Size comparison | About the size of a sweet potato or bell pepper |

| Development | Ears positioned correctly; nervous system developing; vernix caseosa forming; gender often visible on ultrasound |

| Movement | You may start feeling fluttering movements ("quickening") |

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Upcoming Milestones for Sarah

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The Lesson

If Sarah had relied on mental math ("March plus nine months is December"), she would have estimated December 5 — 11 days early. With her 30-day cycle, the calculator adjusts to December 16. Those 11 days matter for:

Screening timing: Her anatomy scan window is precisely 18–22 weeks
Leave planning: Her maternity leave start date affects benefits
Preparation: Nursery completion, hospital bag packing, and birth class scheduling all depend on accurate timing
Medical decisions: If she goes past 41 weeks, induction discussions begin

The calculator gives her confidence at every appointment. She knows exactly what to expect each week. She never misses a screening window. She plans her leave with precision. She tracks her baby's growth with context.

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PREGNANCY REFERENCE TABLES

Fetal Development Week by Week

| 4 | 0.04 in | — | Implantation begins; cell layers forming |

| 8 | 0.63 in | — | All major organs forming; heartbeat starts |

| 12 | 2.1 in | 0.5 oz | Fingers and toes formed; can make fists |

| 16 | 4.6 in | 3.5 oz | Can hear; active movement; gender visible |

| 20 | 6.5 in | 10.6 oz | Halfway point; eyebrows and lashes forming |

| 24 | 12 in | 1.3 lb | Viable outside womb with intensive care |

| 28 | 14.8 in | 2.2 lb | Eyes open; responding to light and sound |

| 32 | 16.7 in | 3.8 lb | Breathing practice; immune system developing |

| 36 | 18.7 in | 5.8 lb | Nearly full term; head may engage in pelvis |

| 40 | 20 in | 7.5 lb | Full term; ready for delivery |

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Trimester Overview

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Critical Screening Windows

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Pregnancy Milestones to Celebrate

| Milestone | Typical Timing | Significance |

| Positive test | 4–5 weeks | Journey begins |

| First ultrasound | 6–8 weeks | See heartbeat; confirm viability |

| End of first trimester | 12–13 weeks | Miscarriage risk drops significantly |

| First movement felt | 16–25 weeks | "Quickening" — often most anticipated moment |

| Halfway point | 20 weeks | 50% complete; anatomy scan milestone |

| Viability milestone | 24 weeks | Baby has chance of survival outside womb |

| Third trimester | 28 weeks | Final stretch begins |

| Full term | 39 weeks | Optimal delivery window begins |

| Due date | 40 weeks | Estimated arrival (only ~5% deliver on EDD) |

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WHY EVERY EXPECTANT PARENT NEEDS A PREGNANCY TRACKER

1. Stop Guessing Your Due Date

"About October" or "sometime in the fall" is not acceptable for medical scheduling, maternity leave planning, or insurance claims. The calculator gives you an exact EDD adjusted for your cycle length and conception method.

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2. Never Miss a Critical Screening Window

Genetic testing at 10+ weeks. Nuchal translucency at 11–14 weeks. Anatomy scan at 18–22 weeks. Glucose test at 24–28 weeks. These windows are narrow and medically important. The calculator tracks them automatically.

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3. Understand What's Happening Week by Week

Your baby changes more in 40 weeks than at any other point in life. The calculator shows you exactly what organs are forming, what size your baby is, and what milestones to expect — turning anxiety into informed anticipation.

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4. Plan Maternity Leave With Precision

HR departments need exact dates. Disability insurance requires specific timelines. The calculator gives you your due date, probable delivery window, and trimester boundaries for accurate paperwork.

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5. Track High-Risk or Special Pregnancies

IVF pregnancies need exact dating from transfer. Twins have adjusted growth curves. Previous C-sections require VBAC timing considerations. The calculator adapts to your specific situation.

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6. Prepare Meaningfully for Birth

Hospital bag by 36 weeks. Birth plan discussion by 32 weeks. Childbirth classes in the third trimester. The calculator's preparation checklist ensures nothing falls through the cracks.

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7. Share Accurate Updates With Family

"18 weeks, 3 days" is more meaningful than "about four months." The calculator gives you precise language for announcements, updates, and social sharing.

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KEY FACTORS THAT AFFECT PREGNANCY CALCULATION

Cycle Length Impact

| Cycle Length | Adjustment to Standard EDD | Example |

| 21 days | −7 days | EDD moves earlier |

| 28 days | 0 (standard) | No adjustment |

| 30 days | +2 days | EDD moves later |

| 35 days | +7 days | EDD moves later |

| Irregular | Use ultrasound dating | Most accurate method |

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Conception Method Variations

| Method | Dating Precision | Notes |

| Natural conception | Estimate from LMP | Most common; least precise |

| Tracked ovulation | Estimate from ovulation date | More precise than LMP alone |

| IUI | Date of insemination known | Moderate precision |

| IVF Day 3 transfer | Exact transfer date + 263 days | High precision |

| IVF Day 5 blastocyst | Exact transfer date + 261 days | Very high precision |

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Ultrasound Dating Accuracy

| Timing | Accuracy | Best For |

| 7–13 weeks (CRL) | ±5 days | Most accurate dating window |

| 14–20 weeks (BPD) | ±7–10 days | Good for verification |

| Third trimester | ±2–3 weeks | Least accurate; growth assessment only |

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COMMON MISTAKES USERS MAKE

Mistake 1: Confusing Gestational and Embryonic Age

Doctors use gestational age (from LMP). Your baby was conceived approximately 2 weeks after LMP. At your 8-week ultrasound, your embryo is actually 6 weeks old developmentally. The calculator shows both clearly.

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Mistake 2: Using Calendar Months Instead of Lunar Months

Pregnancy is 40 weeks — roughly 9 calendar months but 10 lunar months (4-week periods). Saying "I'm 6 months pregnant" at 24 weeks is correct by lunar counting but confusing by calendar. The calculator uses medical week counting.

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Mistake 3: Ignoring Cycle Length

A 35-day cycle means you ovulated later than day 14. Your due date should be adjusted later. Using standard calculation could make you appear "overdue" when you're not. The calculator adjusts automatically.

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Mistake 4: Treating the Due Date as Exact

Only ~5% of babies arrive on their due date. The calculator shows probability distributions — 39–40 weeks is the optimal window, not a single day. This prevents unnecessary anxiety about "being late."

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Mistake 5: Missing Screening Windows

The nuchal translucency scan must happen at 11–14 weeks. Miss it, and you lose that screening option. The calculator alerts you to upcoming windows so you never miss critical appointments.

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PRO TIPS TO TRACK LIKE A PRO

Tip 1: Save Your Pregnancy Profile

Bookmark your LMP in the calculator for instant one-click updates. No re-entry needed. The calculator auto-refreshes to today's date and shows current gestational age.

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Tip 2: Calculate for Future Dates

Planning a babymoon? Enter your travel date to see exactly how many weeks pregnant you'll be, what trimester, and whether it's medically advisable to travel at that stage.

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Tip 3: Use Ultrasound Measurements When Available

If you have early ultrasound data, enter the CRL measurement. The calculator will cross-reference standard growth curves and suggest an adjusted due date if needed.

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Tip 4: Track Multiple Pregnancies

Expecting twins? The calculator adjusts growth expectations and notes that twins often deliver earlier (36–38 weeks). It flags modified screening timelines for multiples.

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Tip 5: Share Weekly Updates

Use the week-by-week development summaries for social media updates, family newsletters, or pregnancy journals. The fruit/vegetable size comparisons make abstract growth tangible.

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Tip 6: Prepare for Each Trimester Transition

The calculator highlights what changes at each trimester boundary — new symptoms to expect, new screenings needed, new preparation tasks. Transition with confidence, not surprise.

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Tip 7: Use Exact Timing for Medical Discussions

At appointments, knowing "I'm 26 weeks, 3 days" rather than "about six months" helps your provider assess growth, schedule tests, and make decisions with precision.

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QUICK SUMMARY

Before your next appointment, announcement, or planning session, remember these key points:

- Due date = LMP + 280 days (adjusted for cycle length) — not just "nine months from now"
- Gestational age counts from LMP, embryonic age from conception — a 2-week difference that matters
- Screening windows are narrow and critical — 11–14 weeks for nuchal translucency, 18–22 weeks for anatomy scan
- Only ~5% deliver on their due date — 39–40 weeks is the optimal window
- Cycle length affects dating — 28 days is standard; adjust if yours differs
- IVF pregnancies have exact dating — from embryo transfer date, not LMP
- Ultrasound dating is most accurate at 7–13 weeks — use CRL measurements when available
- Each trimester has distinct priorities — first for confirmation, second for screening, third for preparation
- Track week by week, not month by month — medical care uses weeks; align your tracking
- Use the calculator for exact precision — 10 seconds prevents missed screenings, wrong due dates, and unnecessary anxiety

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FREQUENTLY ASKED QUESTIONS

Q1: How many weeks pregnant am I?

Enter your LMP date and today's date. The calculator shows exact gestational age in weeks and days, plus days until your due date.

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Q2: When is my baby due?

The calculator uses Naegele's rule (LMP + 280 days) adjusted for your cycle length. If you know your conception date or had IVF, it calculates from that instead for greater precision.

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Q3: What's the difference between gestational age and embryonic age?

Gestational age counts from the first day of your last period (medical standard). Embryonic age counts from actual conception, typically about 2 weeks later. At your 8-week ultrasound, your baby is 8 weeks gestational age but ~6 weeks embryonic age.

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Q4: Is my baby growing normally?

The calculator shows week-by-week fetal size and weight benchmarks. If your ultrasound measurements fall within standard ranges for your gestational age, development is typically on track. Always consult your healthcare provider for medical assessment.

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Q5: What screenings do I need and when?

The calculator tracks critical windows: nuchal translucency (11–14 weeks), anatomy scan (18–22 weeks), glucose test (24–28 weeks), Tdap vaccine (27–36 weeks), and Group B strep (35–37 weeks).

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Q6: I'm pregnant with twins. Does the calculator adjust?

Yes. The calculator notes modified timelines for multiples, including earlier delivery expectations (36–38 weeks typically) and adjusted growth curves.

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Q7: I had IVF. How is my due date calculated?

For IVF, dating is based on embryo transfer date: Day 3 transfer + 263 days, or Day 5 blastocyst transfer + 261 days. This is more precise than LMP-based calculation.

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Q8: My cycle is longer/shorter than 28 days. Does that matter?

Yes. The calculator adjusts your due date by the difference from 28 days. A 35-day cycle adds 7 days to your due date. A 21-day cycle subtracts 7 days.

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Q9: What if my ultrasound date differs from my LMP date?

First-trimester ultrasound (7–13 weeks) is the most accurate dating method. If it differs from your LMP date by more than 7 days, medical guidelines typically use the ultrasound date. The calculator can incorporate ultrasound measurements.

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Q10: Is the calculator free? Is my data private?

100% free. No signup. All calculations happen client-side. We do not store personal health information, track usage, or access your data. Mobile-optimized and completely private.

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- Child Development Milestones — Track developmental progress from birth to age 5

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FINAL THOUGHTS

Pregnancy is not a condition you endure. It is a journey you navigate — week by week, milestone by milestone, measurement by measurement — from the moment of confirmation to the moment of first breath.

The Pregnancy Tracker & Calculator does not just tell you when your baby is due.

It exposes the architecture of your pregnancy timeline.

It tells you: "You are 26 weeks, 3 days pregnant. Your baby is the size of a scallion. Your due date is October 17, 2026 — 95 days away. Your glucose screening is due now. Your third trimester begins in 7 days. Your baby can hear and respond to light. You should feel regular movement."

And then it tells you: "Schedule your glucose test this week. Plan your maternity leave paperwork. Prepare for the third trimester transition. Pack your hospital bag in 10 weeks. Discuss your birth plan at 32 weeks. Do not miss your Tdap vaccine window. Track your baby's movements daily."

Below the right calculation, you are guessing. You are missing screening windows. You are confusing gestational and embryonic age. You are planning leave based on wrong dates. You are anxious because you do not know what to expect each week.

At the right calculation, with exact weeks and days, adjusted for your cycle, informed by ultrasound data, mapped to screening windows, and paired with week-by-week development context, you are grounded.

Your appointments are scheduled correctly. Your screenings happen on time. Your leave is planned with precision. Your preparation is paced appropriately. Your anxiety is replaced by informed confidence. Your pregnancy is tracked with the exactness it deserves.

Before you tell anyone your due date, calculate it precisely.

Before you schedule your next appointment, know your exact gestational age.

Before you plan your maternity leave, understand your trimester boundaries.

Before you assume all pregnancies follow the same timeline, check your specific dates.

Know your exact pregnancy timeline. Respect the biological calendar. Live from a place of temporal precision, not approximate memory.

That is how you track your pregnancy.

That is how you prepare for your baby.

That is how you keep your time — exact.

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DISCLAIMER

This article and calculator are for educational and informational purposes only.

Pregnancy dating, fetal development timelines, screening recommendations, and delivery expectations vary by individual health status, medical history, and healthcare provider guidance. The calculations provided are based on standard obstetric dating methods (Naegele's rule, ACOG guidelines) as of 2026.

Actual results depend on:

- Individual cycle length and ovulation timing
- Accuracy of LMP recall
- Ultrasound measurement precision and dating
- Specific medical conditions affecting pregnancy (diabetes, hypertension, multiples, etc.)
- Healthcare provider protocols and local medical guidelines
- Cultural and personal preferences around pregnancy tracking and birth planning

Always consult a qualified obstetrician, midwife, or maternal-fetal medicine specialist for medical pregnancy dating, screening schedules, and delivery planning. For high-risk pregnancies, IVF pregnancies, or pregnancies with complications, specialized medical supervision is essential.

Numovix does not provide medical, legal, or insurance advice.

Our calculator results are estimates based on standard obstetric mathematics. Individual pregnancies vary significantly. No calculator replaces professional prenatal care or medical judgment.

Tracker & Calculator | Calculate Due Date, Track Baby Growth & Weekly Milestones | Numovix

Free pregnancy tracker and due date calculator. Calculate your exact due date using last menstrual period (LMP) or conception date. Track weekly baby growth, trimester milestones, fetal development stages, and countdown to delivery. Mobile-friendly. No signup needed.