Discover your most fertile days and estimated due date to plan your journey with confidence.
Peak Conception Window
…
Peak Day: …
Expected Due Date…
If conceived this cycle
Pregnancy Test Date…
For best accuracy
Next Period…
Estimated start
Why the “Window” Matters: Conception is most likely to occur if you have intercourse in the **3 days leading up to** and including the day of ovulation. This is because sperm can survive for several days, while the egg is only viable for about 12–24 hours after release.
