1.Rest in bed for 1-2 hours after egg retrieval. Observe the changes in blood pressure, pulse rate, abdominal pain and vaginal bleeding. 2.Patients can leave the hospital only after ultrasound examination and no special discomfort and after the nurse informs the husband that there is no abnormality in the semen, and consult the medical staff about the medication before leaving the hospital. 3.After egg retrieval, the doctor will explain to the couple the approximate time of embryo transfer (usually 2-5 days after egg retrieval), but it depends on the patient’s fertilization, embryo condition and the patient’s endometrial and general condition. 4. Patients can call at 1:30 pm on the 2nd day after egg retrieval to ask about fertilization and transfer date. 5.After the operation, pay attention to personal hygiene, keep the vulva clean and prohibit bathing and intercourse to prevent infection. 6. Observe the medication prescribed by the doctor. Actively prevent and control respiratory and other infections. Avoid strenuous exercise.