Drinking soy milk in early pregnancy is very good, soy milk is a milky liquid made directly from beans, basically maintaining the nutrients of beans, beans contain natural isoflavones, which can supplement the progesterone in women’s bodies. In early pregnancy progesterone is mainly secreted by the ovaries, if progesterone secretion is not enough to easily affect the normal development of the embryo, in early pregnancy in moderation drink soy milk can supplement progesterone, improve the body’s progesterone, conducive to the embryo bed development. Soy milk contains essential amino acids, vitamins and minerals. The B vitamins in soy milk can participate in a variety of biochemical processes during the development of pregnant women and embryos, and can promote cell differentiation. The calcium in soy milk can promote the bone development of the embryo and prevent osteoporosis in pregnant women. The fiber in soy milk can promote gastrointestinal peristalsis and prevent constipation as gastrointestinal motility slows down after pregnancy.