Pregnancy Calculator
Calculate your due date, pregnancy week and trimester, and major milestones during pregnancy. Track your pregnancy progress from last menstrual period.
Pregnancy Milestones
First Trimester
Weeks 1-13: Organ formation, morning sickness common
Weeks 1-13: Organ formation, morning sickness common
Second Trimester
Weeks 14-27: Baby grows rapidly, feeling movements
Weeks 14-27: Baby grows rapidly, feeling movements
Third Trimester
Weeks 28-40: Final development, preparing for birth
Weeks 28-40: Final development, preparing for birth
About This Calculator
- Medical Standard — Pregnancy is calculated from the first day of your last menstrual period (LMP)
- Due Date — The estimated due date is approximately 40 weeks (280 days) from your LMP
- Accuracy — Due dates can vary by 1-2 weeks; an ultrasound provides more precise dating
- Consult Doctor — Always confirm dates and milestones with your healthcare provider