So I recently found out I’m having twins. Looking at test results from an ultrasound it says fetus A is 9wks and Fetus B is 8wks 4days. What causes them to be different in age? Does that mean they are fraternal twins?
In: Biology
They are estimating age based on measurements. So the babies are just slightly different sized. These measurements can’t pinpoint the date of conception exactly. Can’t guarantee if they are fraternal or identical by this.
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