Read more: FAQs & context
Always follow your fertility clinic
Your official EDD may be adjusted after early pregnancy scans. Some units add or subtract a day based on local guidelines.
IVF & fertility
Enter embryo transfer date and embryo day to estimate your due date.
Purpose, how to use it, and benefits — the interactive tool is in the card above whenever you want to jump back.
After embryo transfer, clinics estimate due date using embryo age at transfer (day 3 vs day 5/6 blastocyst). This calculator applies commonly used day offsets to your transfer date for a quick estimate.
Enter your transfer date, choose embryo day, and press Calculate IVF due date. Compare the output with your clinic letter—protocols can differ slightly for frozen cycles or donor eggs.
You get a ballpark EDD for booking leave, telling relatives, and lining up scans while waiting for formal paperwork.
Your official EDD may be adjusted after early pregnancy scans. Some units add or subtract a day based on local guidelines.