Milk powder for pregnant women becomes lumpy: The milk powder for pregnant women may be lumpy because of the high sugar content of the raw material. It may be that the lactose in the milk powder crystallizes due to the high sugar content of the raw material, forming lumpy lumps. Milk powder for pregnant women is a dietary supplement specially designed for pregnant women. It contains various nutrients needed by pregnant women. However, if the milk powder becomes lumpy, it will affect the absorption of nutrients by pregnant women and even cause irritation.