🔥 Free Fertility Calculator – Ovulation & Conception Window
Fertility Calculator
Planning for a baby? Calculate your exact fertile window, ovulation day, and best days to conceive based on your menstrual cycle.
Best Days to Conceive
—
Having intercourse during these days maximizes your chances of pregnancy.
Expected Ovulation
The day the egg is released
—
Possible Implantation
When embryo attaches to uterus
—
If Pregnant, Due Date
Estimated arrival of your baby
—
Medical Note: Sperm can survive in the female reproductive tract for up to 5 days, while an egg only survives for 12-24 hours after ovulation. This makes the days leading up to ovulation your most fertile period.