The role of papaya in promoting lactation is self-evident, and chicken soup is the most nourishing food for pregnant women. Stewed cock with papaya is also a good choice. Here, we generally think that old hen stew is the most nutritious and nourishing, which is more suitable for pregnant women. But why should I use a rooster instead of an old hen here? Because estrogen in old hen chicken will weaken the role of prolactin, thus inhibiting milk secretion.