# Pregnancy Due Date Calculator

 Calculate estimated due date (EDD) and gestational age based on : Conception date (date of ovulation, egg retrieval, or insemination) Date of 3-day embryo transfer Date of 5-day embryo (blast) transfer Due date by sonogram (reverse calculation) First day of last menstrual period month 1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August 9 September 10 October 11 November 12 December date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 year 2012 2013 2014 2015 2016 2017 2018 2019 2020
 Result:

## Pregnancy Due Date Calculator

#### Introduction to Pregnancy Due Date Calculation

Estimate your delivery date and prepare for the new arrival with our Pregnancy Due Date Calculator.

#### How the Calculator Works

Input your starting point: conception date, embryo transfer date, sonogram due date, or LMP to calculate your estimated due date.

Using the first day of your last menstrual period:

$\text{EDD} = \text{LMP} + 280 \, \text{days}$