A member asked:

Hi doctors i had a ultrasound yesterday it said due aug 29 what is more accurate lmp or ultrasound i need my most accurate conception date please help?

A doctor has provided 1 answer

Depends: Your last menstrual cycle would be the most accurate if you ovulated approximately day 14. Ultrasounds further on into the pregnancy are less accurate.

Answered 3/14/2015

5.4k views

Thank

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