Gestational Age Calculator

Select either LMP or Ultrasound mode to calculate gestational age.

To calculate gestational age using LMP, select LMP, then use the pull downs to enter the data. Then click Calculate EDD to obtain a date.

To calculate gestational age using ultrasound, select Ultrasound, then use the pull downs to enter the date of the scan. Click on Scan data and enter either gestational age or fetal biometry. If fetal biometry is selected, enter measurements as known. Then click calculate EDD.

The software has additional functionally to calculate length of gestation after delivery.

If you are having problems, click here for a troubleshooting guide