About this Article
Emily Oster isn’t a baby doctor. She’s an economist and a mom who wanted to know more about all those rules handed down to women after the pregnancy stick goes pink. Being pregnant, she said, felt a lot like being a child, so she decided to take a deep dive into research covering everything from wine and weight gain to prenatal testing and epidurals. What she found was some of the mainstays of pregnancy advice are based on inconclusive or downright faulty science.