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conception date

By April 30, 2010 - 2:15pm
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hello ive found out i am pregnant! .. so heres a little detail before my question ... me and my partner have been havin sex since march 27th and i havent had sex with anyone else since february... i went and got an ultrasound done on april 29th and they said i was about 5 weeks and 6 days to 6 weeks pregnant .. now my partner is saying its not his because its only been 4 weeks since our first time... so my question is can the ultrasound be wrong? i mean i know hes the father how do i explain to him ?

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yes thank you that was very helpful

May 1, 2010 - 11:19am
EmpowHER Guest

Hi Ellie,

If the ultrasound women was having a hard time with measurements, it certainly could be incorrect and they may have a better idea on the next ultrasound. What she meant by 'measurements' is this: ultrasounds are a much more accurate tool in finding gestational age of babies then guessing from your last period. Reason being is they measure the length of the baby (or from the crown to the rump) to determine the age of the baby. This is much more feasible then counting from the missed period.

With an ultrasound, they can also measure the gestational sac which is a structure that develops in the uterus early in pregnancy, enclosing the developing baby and amniotic fluid. This is a pretty accurate gestational age determiner also.

I would wait until your next appointment if there was a problem with the measurements as stated by the Ultrasound woman. You may have a more accurate reading next time. Does this answer your question?

May 1, 2010 - 9:50am

i found out i was pregnant on april 25th but the thing is they didnt calculate it from my last period they did an ultrasound and the lady said she was having a hard time with measurments n then she came up with 5 weeks and 6 days to 6 weeks. so could the ultrasound be wrong?

May 1, 2010 - 8:18am
HERWriter Guide

Hi ellie106

Thanks for your question!

If you have been having sex with your new boyfriend since March 27th, then it's possible he could be the father but you pretty much would have had to have gotten pregnant the first time you had sex.

In terms of pregnancy, a woman is considered to be pregnant from the time she had her last period, not the day she actually got pregnant (usually mid cycle). This is why another 2 weeks is added on.

So if you find out you are pregnant on the first day you miss your period, you are already considered a full month pregnant. When did you find out you are pregnant?

May 1, 2010 - 4:29am
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