Accuracy is difficlt: You can get a more accurate assessment of a fetal sex by testing the cells floating in the bag of waters for its chromosome pattern. That is riskier than an ultrasound as would be cvs=taking placental cells.Ultrasound is so routine now that the extra benefit of early gender assessment is often all some people pay attention too. I advise moms not to invest in a wardrobe based on us.
Answered 9/5/2012
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