🤰 Pregnancy Calculator
Track your pregnancy journey with trimester dates, milestones, and important appointments.
Pregnancy Timeline Guide
A typical pregnancy lasts about 40 weeks from the first day of your last menstrual period (LMP). It's divided into three trimesters, each with unique developments.
First Trimester (Weeks 1-12)
- Week 4: Positive pregnancy test
- Week 6: First ultrasound, heartbeat detectable
- Week 8: Major organs begin forming
- Week 12: Risk of miscarriage drops significantly
Second Trimester (Weeks 13-27)
- Week 16: Gender may be visible on ultrasound
- Week 18-20: Anatomy scan
- Week 20: Halfway point!
- Week 24: Viability milestone
Third Trimester (Weeks 28-40)
- Week 28: Glucose screening test
- Week 32: Baby position check
- Week 36-37: Full term begins
- Week 40: Due date!
Note: Only about 5% of babies are born on their due date. Most are born between 38 and 42 weeks.