When undergoing IVF, if ascites is present, a decrease in abdominal distension and an increase in urine indicate improvement. When undergoing IVF, there is a step of egg retrieval, if during the process of promoting follicular development, the ovaries show symptoms of overstimulation, when multiple follicles develop at the same time, it may cause an increase in ascites, which is commonly seen in young women with better ovarian function. When ascites occurs, it is accompanied by abdominal distension and low urine output. If the abdominal distension decreases and urine output increases, it indicates that the ascites may be improving. When ascites occurs when undergoing IVF, it is recommended to go to the hospital in time to clarify the exact severity under the doctor’s guidance and take appropriate methods to intervene to prevent adverse consequences.