When Did I Get Pregnant? Exact Calculator

Fill in your details below to estimate your conception date and pregnancy milestones.

MilestoneWhen it HappensSignificance
Fertile Window3-5 days before ovulationThe period when intercourse is most likely to result in pregnancy.
ConceptionWithin 24 hours of ovulationWhen the sperm and egg meet. This is the biological start of your baby.
Implantation6-12 days after conceptionWhen the fertilized egg attaches to the uterine lining. This often triggers a positive pregnancy test.
Due Date266 days from conceptionThe estimated 40-week mark of gestation.