Prenatal Screening Tests for Chromosome Abnormalities

Science has made remarkable advances in prenatal screening, but false positives and false negative results can occur, and there are ethical concerns.Having a baby used to be like opening a surprise package. You didn’t know anything about the baby until it was born. The obstetrician or midwife would announce “It’s a boy” or “It’s a

Baby’s DNA in Mom’s Blood: Noninvasive Prenatal Testing

Until recently, the moment of birth was a surprise. We anxiously awaited the obstetrician’s announcement: “It’s a boy!” or “It’s a girl!” Then we checked to see if any crucial parts were missing and we counted the fingers and toes. We had to wait for a baby to be born before we could know its

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