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Lmp: April 2 2013 One night stand march 16,17 (before my period) Due date 01/06/2014 Is there a possibly one stand can be the father? First Ultrasound gives me a due date of 01/03/2013 second one was 01/06/2014 what are your thoughts could I have got pregnant before my lmp?

Hi Jen,

Was your LMP, normal for you?  If yes, it is unlikely that you were pregnant then.

The dates work for you getting pregnant on/about April 16, two weeks after your LMP started. 

Hope it helps.

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Yes it was normal for me meaning came on time and lasted the normal 5 days and if it wasn't would the ultrasound detect it? My due date is exactly where it should be as far as my lmp..the first ultrasound was 3 days off but the 2nd one is right on time...thanks for all ur help and advice
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Just remember Jenn that ultrasounds are approximations. No test can pinpoint the exact age of a fetus. A few days either way is very normal.

Best of luck!
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Hi medic dan just one more question if i was pregnant from the one night stand would I be 4 weeks further along since It happened before my period? Would ultrasound detect it? Thanks for your last input on this the guilt is driving me crazy :-(
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Jenn,

If it was a normal period you were not pregnant then. There can be some light bleeding but it should really not appear the same.

A 4 week difference should be picked up by the ultrasound.

Hope it helps.
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