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Mammatrack Medical Tools

MammaTrack –
Trusted Pregnancy Calculators
& Pregnancy Tools.

Track your pregnancy journey with accurate due date calculators, ovulation tools, pregnancy BMI calculators, and expert pregnancy guides.

Calculate Due Date arrow_forward About MammaTrack
Premium Pregnancy

Growth Tracker

Week 24 Active

50k+ Monthly Users
100% Medically Based
4.9 star User Rating
Empowering Mothers

Why MammaTrack?

MammaTrack helps expecting mothers make informed decisions during pregnancy through free calculators, pregnancy tracking tools, and evidence-based pregnancy resources.

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Free Calculators

Discover your exact due date, track ovulation, and monitor baby growth with our precision, clinically-inspired calculators.

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Pregnancy Tracking

Follow your baby’s journey week by week. Understand changes in your body and prepare for every milestone effortlessly.

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Evidence-Based

Read expert-reviewed articles and guides to manage symptoms, improve maternal health, and navigate postpartum care.

Maternal Science

The Science Behind
Pregnancy Calculators

Understanding the exact timeline of your pregnancy is the first and most crucial step in ensuring both maternal health and optimal baby growth. A reliable pregnancy due date calculator does much more than just give you a date to circle on your calendar. It serves as the foundation for your entire prenatal care journey.

Medical professionals globally rely on Naegele's Rule, a standardized obstetric formula that calculates the Estimated Due Date (EDD) by adding 280 days (or exactly 40 weeks) to the first day of your Last Menstrual Period (LMP). While it sounds simple, this scientifically backed calculation allows doctors to accurately schedule crucial ultrasounds, blood tests, and genetic screenings.

At MammaTrack, our free due date calculator algorithm goes beyond basic math. We understand that every woman's body is unique. For women with irregular cycles, ovulation-based tracking and IVF transfer date calculations provide a much higher degree of accuracy. Knowing your exact week of pregnancy empowers you to understand the sudden changes in your body and prepares you mentally for the beautiful journey ahead.

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Comprehensive Guide

Your Pregnancy Week by Week

Pregnancy is a miraculous 40-week transformation, elegantly divided into three distinct trimesters. Tracking your baby's growth week by week helps alleviate anxiety and helps you make informed choices regarding nutrition, exercise, and lifestyle changes.

First Trimester

Weeks 1 - 13

The first trimester is a period of rapid, unseen development. Within just a few weeks of conception, your baby transforms from a microscopic cluster of cells into a recognizable fetus with a beating heart, developing brain, and forming limbs.

During this stage, your body experiences a massive surge in hormones like hCG and progesterone. This often triggers early pregnancy symptoms such as profound fatigue, morning sickness, tender breasts, and heightened sense of smell.

Second Trimester

Weeks 14 - 27

Often celebrated as the "honeymoon phase" of pregnancy, the second trimester usually brings relief from morning sickness and a return of your natural energy. This is when your baby bump begins to beautifully show.

Inside the womb, your baby is learning to swallow, hear your voice, and even hiccup. Most importantly, around weeks 18 to 22, you will feel the magical sensation of "quickening"—your baby's first fluttering movements and kicks.

Third Trimester

Weeks 28 - 40+

The final stretch is focused on growth and maturity. Your baby is rapidly gaining weight, developing protective fat, and their lungs are maturing in preparation for their first breath in the outside world.

Physically, you may experience shortness of breath, Braxton Hicks contractions, and difficulty sleeping as your baby takes up more room. This is the perfect time to finalize your birth plan, pack your hospital bag, and utilize our contraction timing tools.

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Wellness & Care

Navigating Early Symptoms &
Maternal Health

Recognizing and managing early pregnancy symptoms is vital for maintaining physical and mental wellbeing. Many women report feeling changes in their bodies even before a missed period. Implantation bleeding, mild cramping, and unexpected mood swings are completely normal responses to your body preparing a safe environment for your child.

As you progress, maternal health becomes the absolute priority. Nutrition plays an irreplaceable role. Consuming adequate amounts of folic acid, iron, calcium, and staying fiercely hydrated can prevent complications such as anemia and neural tube defects. A well-balanced diet not only fuels your baby's growth but also helps combat pregnancy-induced exhaustion.

We emphasize the importance of gentle prenatal exercises—like yoga, swimming, and daily walks—which have been proven to reduce back pain, improve sleep quality, and physically prepare the body for the endurance required during labor and delivery. Always consult your healthcare provider before starting any new wellness routine.

Smart Calculations

Pregnancy Tools,
Reimagined.

In the digital age, tracking your pregnancy shouldn't rely on guesswork. Our suite of premium, algorithm-driven tools is designed to provide clinical-level accuracy directly from your smartphone or desktop.

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Pregnancy Test Calculator

Find out when to take a pregnancy test based on your expected period or last unprotected sex.

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Baby Sleep Calculator

Calculate your baby's age-based sleep needs, wake windows, nap guidance, and create a flexible daily sleep schedule.

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Period Calculator

Predict your next period, menstrual cycle, estimated ovulation, fertile window, and upcoming cycle dates with ease.

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Pregnancy Weight Gain Calculator

Track your pregnancy weight gain by week and see your recommended weight gain range based on your pre-pregnancy BMI and pregnancy type.

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Pregnancy Risk Timeline Analyzer

Get a personalized pregnancy care timeline with weekly milestones, prenatal tests, vaccines, checkups, and educational insights based on your pregnancy profile.

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Pregnancy Appointment Planner

Generate your personalized prenatal test timeline. Track upcoming scans, doctor visits, and essential milestones based on your specific dates.

Explore All Tools

Designed with
Care & Privacy.

In today's interconnected world, digital pregnancy tracking offers unparalleled convenience. However, we believe your pregnancy data is sacred and belongs entirely to you.

Unlike many commercial apps that monetize sensitive maternal health records, MammaTrack operates on a strict privacy-first architecture. No hidden tracking, no data selling to third parties—just pure, reliable, and medically accurate information seamlessly delivered to help you prepare for birth with confidence.

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Medically Accurate

Formulas backed by obstetricians, gynecologists, and modern medical standards.

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Total Privacy

Your health data is encrypted, locally processed where possible, and securely stored.

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Fast & App-Like

Experience native-app speeds directly in your web browser without downloading anything.

Peaceful Motherhood Privacy
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Mothers Love Mammatrack

Real stories from real parents navigating motherhood.

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""Beautiful design & accurate info""

""I've tried 4 different apps, and Mamma Track is by far the most beautiful and easy to use. I love the nutrition guide and the contraction timer is a lifesaver.""

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Emily Rodriguez

verified Verified User

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starstarstarstarstar

""Finally, an app that includes Dads!""

""My wife and I use the partner sync feature. It helps me feel involved and understand what she's going through week by week. The size comparisons are super fun.""

MT

Mike Thompson

verified Verified User

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""Best companion for first-time moms""

""The anxiety of the first trimester was real. Mamma Track's daily updates helped calm my nerves. The AI insights felt like they were written just for me. Highly recommend!""

SJ

Sarah Jenkins

verified Verified User

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Expert Guides

Evidence-based advice for your pregnancy journey and postpartum recovery.

Signs Labor Is Near but Not Active Labor: Full Guide
August 03, 2026

Signs Labor Is Near but Not Active Labor: Full Guide

Learn the early signs labor is near but not active labor, what they mean, when to call your doctor, and how to prepare for your baby's arrival.

How to Make Baby Move in Womb: 15 Safe & Easy Tips
July 31, 2026

How to Make Baby Move in Womb: 15 Safe & Easy Tips

Learn how to make baby move in womb with 15 safe, doctor-recommended tips. Discover what works, when to worry about reduced fetal movement, and when to call you

Pregnancy Weight Gain Calculator Guide for Healthy Moms
July 28, 2026

Pregnancy Weight Gain Calculator Guide for Healthy Moms

Pregnancy Weight Gain Calculator Guide helps you track healthy weight gain by BMI and trimester with expert tips for a healthy pregnancy.

Frequently Asked Questions

Everything you need to know about Mammatrack tools and pregnancy tracking.

MammaTrack is a pregnancy-focused platform offering calculators, pregnancy tracking tools, and educational resources.
Yes, all pregnancy calculators and tools on MammaTrack are free to use.
We offer a variety of essential tools including the Due Date Calculator, Ovulation Calculator, Pregnancy BMI Calculator, and more.
Our due date calculator uses Naegele's Rule, the standard formula used by medical professionals. It calculates your estimated due date (EDD) by adding 280 days (40 weeks) to the first day of your last menstrual period (LMP). We also offer options to calculate based on ultrasound dates or IVF transfer dates for pinpoint accuracy.
Yes! Core features including the due date calculator, ovulation tracker, weekly baby growth insights, and early pregnancy symptoms guides are completely free to use. We offer an optional premium subscription for users who prefer a 100% ad-free experience.
A standard pregnancy lasts about 40 weeks. In our extensive "Week by Week" guides, we detail your baby's size comparisons (like fruits and vegetables), major physical development milestones, and provide actionable nutrition and wellness tips to help ease maternal symptoms.
It is generally recommended to have your hospital bag packed and ready by week 36 of your pregnancy. Being prepared early helps reduce stress as you enter the final month, ensuring you have all essential maternal care items and baby clothes ready for the big day.

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Receive a carefully curated weekly newsletter matching your exact pregnancy week and developmental milestones.

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