After 22 days of IVF transplantation, if the patient successfully conceives, early pregnancy reactions should occur, but the early pregnancy reactions vary from person to person and there is no uniform standard. The reactions that most patients may experience are mainly the following: 1. Gastrointestinal reactions such as nausea, vomiting, abdominal distension and increased exhaustion, which are related to the increase in blood chorionic gland promoting hormone levels after a woman becomes pregnant. This kind of nausea and vomiting will be aggravated in the morning or after eating fatty food, and after smelling an odor that you don’t like, and the symptoms will be reduced after vomiting. Patients with severe vomiting cannot eat, and may suffer from electrolyte disorders, weakness and weight loss, etc. They need to be given fluids to supplement nutrition, and can be treated with Chinese medicine and Chinese compress techniques. 2. Patients with increased progesterone levels may experience physiological breast enlargement, resulting in breast swelling and pain, as well as deepening and enlarging of the areola and easy erection of the nipple. 3. Increased vaginal discharge.