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A member asked:

Due date is july 8 was wondering when i conceived sept or oct? and how accurate is an ultrasound that measures 11 weeks? i have an irregular cycle.

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Very accurate: An 11 week ultrasound has a margin of error of less than one week. Use a reverse due date calculator for free online and this will be easy for you to find out. Simply type in your due date and the conception date will be calculated for you.

Answered 3/28/2015

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I had an ultrasound on 5/23 dating me at 15 weeks 2 days with a due date of 11/11. My LMP was on 2/9 could I have conceived from intercourse on 2/26?

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5 doctors weighed in across 2 answers

A member asked:

If i had sex between november 2nd-8th 2013 &conceived during that time when would my due date be? February 20th had an ultrasound that said 17wks/5d

A doctor has provided 1 answer

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