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Last Menstrual Period Calculator

LMP stands for “Last Menstrual Period”. It is the first day of your last menstrual period. LMP is used to calculate pregnancy and find out the baby’s estimated delivery date (EDD). It is important to remember that LMP is only an estimate, and your actual delivery date may be slightly different.

LMP Calculator

Get accurate pregnancy calculations with our medically-reviewed tool. Calculate your due date using multiple methods for precise results.

Choose Calculation Method

Everything You Need for Your Pregnancy Journey

Comprehensive tools and resources designed by medical experts to support you through every stage of pregnancy.

Baby Development Tracking
Week-by-week insights into your babys growth with 3D visualizations and expert medical information.

Baby Development Tracking

Week-by-week insights into your babys growth with 3D visualizations and expert medical information.

Symptom & Health Tracking
Monitor your pregnancy symptoms, mood changes, and health metrics with intelligent pattern analysis.

Symptom & Health Tracking

Monitor your pregnancy symptoms, mood changes, and health metrics with intelligent pattern analysis.

Your Pregnancy Timeline


Understanding each trimester helps you prepare for the amazing journey ahead. Track your progress and know what to expect.

LMP CAlculator First Trimester

First Trimester

Your body begins amazing changes as your baby develops major organs and systems.

Key Milestones

  • Morning sickness may begin
  • Baby’s heart starts beating
  • Major organs begin forming
  • First prenatal appointment

Important Tips

  • Take prenatal vitamins with folic acid
  • Avoid alcohol and smoking
  • Get plenty of rest
  • Eat small, frequent meals

Second Trimester

Often called the “golden period” – energy returns and you may feel your baby move!

Key Milestones

  • Baby bump becomes visible
  • Feel first baby movements
  • Anatomy scan reveals baby’s sex
  • Skin and hair changes

Important Tips

  • Continue prenatal care
  • Start gentle exercise routine
  • Begin planning nursery
  • Consider prenatal classes
LMP calculator Second Trimester
LMP CAlculator Third Trimester

Third Trimester

The final stretch! Your baby rapidly grows and prepares for birth.

Key Milestones

  • More frequent doctor visits
  • Braxton Hicks contractions
  • Baby settles into birth position
  • Hospital bag preparation

Important Tips

  • Practice breathing techniques
  • Prepare birth plan
  • Rest when possible
  • Monitor baby’s movements

Comprehensive Pregnancy Tools

Access our complete suite of pregnancy calculators and tracking tools, all medically reviewed and designed to support your journey.

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