A member asked:

I had my period on april 9th. my periods are fairly irregular by a week or so. my ultrasounds measure two weeks behind my lmp due date. i've had one done at 5wks (too small to tell), 6wks5dys, & 19wks. they all gave me the same due date by except 2 days.

A doctor has provided 1 answer

Dr. Timothy Brown answered

Use ultrasounds: Your ultrasounds all give you the same due date within 2 days. There is absolutely no reason to think that the calculation using your last period is going to be more accurate.

Answered 10/6/2015

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A member asked:

I had my period on april 9th. my periods are fairly irregular by a week or so. my ultrasounds measure two weeks behind my lmp due date. i've had one done at 5wks (too small to tell), 6wks5dys, & 19wks. they all gave me the same due date by except 2 days.

A doctor has provided 1 answer

Dr. Timothy Brown answered

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