What due date do I go by? Different dates based on period and 2 ultrasounds

Question

I know I’ll confirm this with my midwife in my next appointment. But it’s a month away so wondering what your experiences were.  
Due date based on last period - Feb 29, 2020
Due date based on 8 week ultrasound - March 1, 2020 (confirmed by midwife)
Due date based on 12 week ultrasound - February 25, 2020

Answer

Your due date doesn’t change unless baby is measuring more than a couple weeks ahead, so your due date is still February 29th. Especially because babies grow at different rates throughout your pregnancy. Earlier ultrasounds are also more accurate at determining due dates so since your 8 week ultrasound was only 1 day off from your due date based off your last menstrual cycle I still say your due date is Feb 29, 2020.

Answer

If it’s not more than 7 days difference they usually use LMP,

Answer

It's so close they will probably keep the 29th. They dont go by subsequent ultrasounds to determine the due date. The earlier it is the more accurate it is for dating.

Answer

March 1st. The 8 week ultrasound is a dating scan because that's the best time to get an accurate date. Even if it changes stick with that one.

Answer

Ultrasound

What due date do I go by? Different dates based on period and 2 ultrasounds

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