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A member asked:
Due date is july 5th, have regular 30 day cycles. all ultrasounds are measuring perfectly with lmp. when was conception?
A doctor has provided 1 answer
October 12 2013: If your cycles are regular at 28 days you conceived middle of october, probably the 12th. This is just a calculation representing a best guess, it may not be exactly correct.
Answered 4/16/2013
5.2k views
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Related Questions
A member asked:
My ultrasounds date back to my (estimated) date of conception rather than the first day of my LMP. Is this normal?
A doctor has provided 1 answer
A member asked:
When using the online calc to get conception date...Are those to the day if you knew your LMP and ultrasound dates match. How off can they be?
A doctor has provided 1 answer
A member asked:
How well is conception date accuracy with ultrasound at 12 weeks? My LMP started on nov.28, 2011 lasting five days. I had an ultrasound on jan.17, 2012 counting me at 7 weeks and 1 day, then another ultrasound on feb.21, 2012...Counting me at 12 weeks exa
A doctor has provided 1 answer
A member asked:
When does it mean when a doctor considers the LMP due date and conception if the ultrasound is in a 7-10 day agreement with the lmp? Need an example
A doctor has provided 1 answer
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