Went on ultrasound feb.14-2013 and gestation crl 6.2cm which day I concieve my lmpwho the father is

bmy question is I have period at nov.20,2012 for last 4days at end of my period have sex,and in 28 of nov.have sex again with other man.and 10of dec.my husband came and have sex for that whole week and the next week.then my period not came I went for ultrasound feb. 14 the result said my gestation crl 6.2cm equevalent of 12 weeks and 5 dsys my question is when I concieve who the father is?please answer
Asked Apr 06, 2013

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