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

Dr. Jeffrey Seiden answered

Specializes in Pediatric Emergency Medicine

Yes: Most obstetricians will use your LMP to determine your probable date of conception. This is the more appropriate starting point for dating your pregnancy.

Dr Ali agreed

Answered 2/28/2017

3.6k views

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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

Dr. Jeffrey Seiden answered

Dr Ali agreed

Related Questions

A member asked:

Do ultrasounds date from conception or lmp? I.E. If they say baby measures 12 weeks, is that from conception or should that date back to your lmp?

A member asked:

I got my first ultrasound at 16 weeks. My LMP came to december 5th and conception date was december 19th. Is it possible i could of conceived jan 10?

A member asked:

LMP was Feb 18, I have shorter cycles of 25/26 days. 3 first trimester ultrasounds gave me a due date of Nov 19-21 putting conception at Feb 27-29. How accurate are these conception dates? Anyway conception occurred before February 20?

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My lmp was Feb 8-12. My due date was Nov 23.(calculated by my first sonogram).My Obgyn informed me my conception date was Mar 2. I had intercourse on Feb 20th and Feb 27-28. What would be sexual intercourse that would had led to my conception date ?

A member asked:

Due date is july 5th, have regular 30 day cycles. All ultrasounds are measuring perfectly with lmp. When was conception?

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