Pregnancy can occur in women because of two basic conditions. First, the woman is mature, the ovaries have normal ovulation, the uterus is normally developed and functioning, the fallopian tubes are open on both sides, and there are no other endocrine disorders or immune system disorders that could lead to normal conception. Secondly, when a woman is sexually mature and engages in normal sexual intercourse, the sperm combines with the woman’s egg to form a fertilized egg, and the fertilized egg becomes pregnant after implantation. Female pregnancy is a complex process, there is a need for the existence of basic conditions to ensure that women have a normal reproductive function, pregnancy should be from nutrition, emotion and other aspects of care, diet to achieve balanced nutrition, eat more protein, fiber-rich foods, maintain a good emotional state, pregnancy during the appropriate examination, to observe the development of the fetus.