The process of egg retrieval involves reaching the ovaries with an egg retrieval needle under anesthesia, suctioning the eggs and oocytes into a test tube through negative pressure suction, and then separating the eggs through a microscope. Usually some pretreatment will be done before egg retrieval, such as monitoring the development of follicles by ultrasound and whether there are mature follicles, so as to determine whether it is suitable for egg retrieval. Egg retrieval is done under general anesthesia or semi-anesthesia. Egg retrieval is done through a vaginal puncture, and the eggs are removed by negative pressure suction after reaching the ovaries. Egg retrieval needs to be performed in a regular hospital. A series of operations may cause a series of symptoms, such as ovarian hyperstimulation syndrome. Do not go to an unregulated medical institution to perform the operation, as it may lead to adverse consequences.