#Latest news with #maternalWashington Post4 days agoScienceWashington PostIt's a girl — again! And again! Why a baby's sex isn't random.A baby's sex may not be up to mere chance. A study published Friday in the journal Science Advances describes the odds of having a boy or girl as flipping a weighted coin, unique to each family. It found evidence that an infant's birth sex is associated with maternal age and specific genes.
Washington Post4 days agoScienceWashington PostIt's a girl — again! And again! Why a baby's sex isn't random.A baby's sex may not be up to mere chance. A study published Friday in the journal Science Advances describes the odds of having a boy or girl as flipping a weighted coin, unique to each family. It found evidence that an infant's birth sex is associated with maternal age and specific genes.
4 days ago
