Pregnancy Calculator Last Menstrual Period Ultrasound Due Date Date of Conception Predicted gestation at future or past date Predicted date at future or past gestation First Day of Last Menstrual period Estimated Due Date: Current Gestation: Your browser does not support the canvas element. USS Due Date Estimated LMP: Current Gestation: Day of Conception: Estimated Due Date: Current Gestation: Your browser does not support the canvas element. Current Gestation: Choose Future or Past Date Gestation at above date: Current Gestation: Choose Gestation (weeks) Date at Above Gestation: Calculator written by Jeremy Steinberg, GP, Auckland. Contact for suggestions
