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Re: Ultrasound indicates fetus too small
From: Adriannne (anonymous@obgyn.net)
Wed, 5 Mar 2003 18:15:22 -0600 (CST)
The doc will tell that an ultrasound at 16 weeks has an error range of 2
weeks.. I think if that error range of your baby is more than 2 weeks
then they would change your due date as long as your baby is in that
error range and has a heartbeat I wouldn't worry ;)
At Wed, 5 Mar 2003, Jo wrote:
>
>My husband and I are certain of the exact date we conceived our second
>child (i.e., we know the exact night we had unprotected sex). We are
>certain because we did not have sex for about two weeks before AND after
>this single night.
>
>Sure enough, I became pregnant. This currently makes me about 16 weeks
>pregnant - counting forward from the exact evening we had sex.
>
>Today, during my ultrasound, the fetus was measuring to be about 14.5 to
>15 weeks. Everybody in the ultrasound room (except my husband) seemed
>concerned. Amnio was performed (the original purpose behind the
>ultrasound, as I am 35 years old). We are slated for another ultrasound
>in 3 weeks.
>
>I am quite concerned, and a little panicky. The Dr was curious as to
>why the baby was measuring to be small; the Dr almost seemed convinced
>we were off regarding conception (trust me, we know when we conceived).
>The results of the amnio will take about 2 weeks.
>
>Could we be wrong regarding the date of conception? How soon does
>conception occur after "ejaculation"? How accurate are these ultrasounds
>(statistically) for 16 weeks pregnancy (ie., how many days off could it
>be)?
>
>Sorry for the lengthy note. Any reply would be helpful. Searching the
>web for info is draining. Thanks in advance.
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