A sibling can change your life — potentially even before birth. The sex of one fetus can affect its neighbors in the womb. The "intrauterine position effect" was first discovered in cattle farming. A ...

On the outside, you’ll watch your little one grow from newborn to older infant to toddler, preschooler, kindergartener, and so on. It might feel like it goes by in the blink of an eye. But a little ...

Preeclampsia can reduce blood flow to the fetus, restricting their food and oxygen supply. This, in turn, can affect development and may result in a low birth weight or preterm birth. In severe cases, ...