Pregnancy Timeline Based On Due Date. Pregnancy Calendar and Due Date Calculator. How many weeks pregnant am I?
Estimates based on an ultrasound can be off by as much as three weeks, so. Calculate Based On: Last Period Conception Date Due Date. An estimated due date (EDD) is a "best guess" as to when baby might be born based on a due date calculator like this one.
First Day of Last Menstrual Period*.
Pregnancy Calendar and Due Date Calculator.
That is your estimated due date. It's important to remember that your birth date probability. Use the pregnancy due date calculator to work out roughly when your baby is due to be born, working from the first day of your last period.