The swelling and pain in the abdomen after egg retrieval can usually be significantly relieved in 3-5 days and can recover in about a week at the longest. Ovarian hyperstimulation is inevitable after egg retrieval, which leads to abdominal distension and pain after egg retrieval. Patients usually experience significant relief in 3-5 days and recover in about a week at the longest. If the abdominal pain is not relieved after a week, you should go to a regular hospital for a review and treatment under the guidance of a professional gynecologist after clarifying the cause. In addition, after egg retrieval, you should ensure the intake of nutrients, eat lean meat, eggs, fish and other foods rich in high quality protein in appropriate amounts, avoid getting cold and tired, ensure sufficient sleep and maintain a comfortable mood.