Introduction Some traditional sayings during pregnancy are always full of superstitions and rumors. The most common one is \”mostly daughters who like to eat vegetarian food during pregnancy\”. In recent years, many scientists have conducted in-depth research on this statement and proposed many new perspectives on pregnant women\’s diet and fetal gender. Here, we will explore this interesting topic from four aspects. Effects of Diet on the Gender of the Fetus Many people believe that a pregnant woman’s diet and