Gestation from ovulation is 63 ± 1 days, the most precise method.
The due date appears here
Pick the date you know, ovulation gives the tightest prediction, and we'll map the due date plus the ultrasound, X-ray, and temperature-watch windows.
Pick the date you know, ovulation gives the tightest prediction, and we'll map the due date plus the ultrasound, X-ray, and temperature-watch windows.