Calculate pregnancy dates from last period, gestational age, or date of conception. Enter one of the four options and get the other three dates, adjusted for cycle length. Free pregnancy due date calculator using your last menstrual period. Get your estimated delivery date with NHS-approved methods. When is your baby due? Use this pregnancy calculator to find your due date based on the date of your last menstrual period, conception date, IVF three-day or five-day transfer date, or date of your last ultrasound. Positive pregnancy test following a late period? You’ll probably have lots of questions, like how far along am I? And when is my due date? Our pregnancy due date calculator can help you figure out your estimated due date or when your baby might arrive.
