Anonymous asked in Pregnancy & ParentingPregnancy · 1 decade ago

Is it abnormal to have a differenct sac and fetus size?

My OB is having me go back to o another U/S beciuse the two were measuting differently. Should I be concerned? I thuoght I was 7 weeks when I had this first u/s and doc told me I was 6 weeks. I am now 9/10 weeks, and have had no spotting, pains, etc.

2 Answers

  • 1 decade ago

    usually if there is more than 2 weeks difference between your US dates & the date of your last period, then the pregnancy may not be a successful one, but you only have a week difference so there is still hope. Good Luck

    OB/GYN RN & mom

  • 1 decade ago

    one of them probably just mismeasured

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