Pregnancy Calendar 2025. The pregnancy calculator can estimate a pregnancy schedule based on the provided due date, last period date, ultrasound date, conception date, or ivf transfer date. 2025 pregnancy due date calendar maps menstrual period start date to corresponding estimated delivery date based on naegle's rule.
The chinese calendar baby gender predictor is a traditional method based on the mother’s age at conception and the lunar month. Also try the chinese lunar calendar method.