Ascites is usually most severe on days 3-5 after egg retrieval, when patients exhibit symptoms such as lower abdominal distension and pain, and low urine output. The reason for ascites after egg retrieval is the increase of estrogen in the body due to the growth of multiple follicles, which in turn causes water and sodium retention, a common complication of assisted reproductive technology. It is a common complication of assisted reproductive technology. Usually, ascites is most obvious during the third to fifth day after egg retrieval. It is recommended that women should be given a high protein diet after egg retrieval and eat more lean meat, eggs, milk, fish and other foods to supplement their nutrition, and at the same time pay attention to bed rest as much as possible, actively carry out conditioning treatment and maintain a good state of mind.