Calculate your pregnancy.
Fill in the information and click the calculate button.
Calculate your pregnancy.
Fill in the information and click the calculate button.
Date of your last menstrual period: (mm/dd/yyyy)
Your appointment date: (mm/dd/yyyy)
You are approximately weeks LMP. (Doctors calculate pregnancy from the first day of your Last Menstrual Period.)
This is an estimate of length of pregnancy based upon the first day of your last menstrual period. It should not be considered a medical diagnosis or a substitute for an ultrasound.