Brown University economics professor Emily Oster tells Shannon Bond the truth behind so-called conventional wisdom, especially in the realm of pregnancy and prenatal health, the topic of her book Expecting Better. They also discuss Oster's career and some of her other research, including a 2005 study on the link between gender imbalance and Hepatitis B in China, whose findings she would later say were incorrect. For information regarding your data privacy, visit acast.com/privacy