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A member asked:

Nursing mum, my lmp was on june 4th.july 4th i got psv pgn test but it was very faint line.ultrasound showed due date on april 1st!4 weeks behind?why?

A doctor has provided 1 answer

Delayed ovulation: While nursing, menstrual cycles and ovulation often become irregular. This makes it diifficult to date a pregnancy by your lmp. Ovulation occurred 4 weeks after expaected and the menses may not have been a normal period.

Dr Villaplana agreed

Answered 3/17/2014

5.7k views

Thank

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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

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