Pregnancy calculator
Calculate gestational age and due date from LMP, conception, or ultrasound.
Pregnancy and fertility
Calculators to plan pregnancy, track fertile days, and monitor gestation progress.
Due date calculator
Estimate your due date from LMP, conception/IVF, or ultrasound, with cycle-length adjustment.
Ovulation calculator
Estimate your ovulation day and fertile window using LMP, cycle length, and optional LH or basal temperature.
Pregnancy weight gain calculator
Compare your weight gain to recommended ranges by pre-pregnancy BMI, gestational week, and singleton or twin pregnancy.