A baby's digestive system starts to develop before you might even know you're pregnant. While their first bowel movement isn't until after they're born, babies do pee in the womb and build up waste ...
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How the baby’s protective coating (vernix) builds up inside
Your baby develops a protective layer on its skin called vernix inside the womb. It appears as a thick, white coating that protects your baby’s skin and allows healthy development. But how does it ...
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