An instrument is clamped to the cervix in order to hold it in position, and a suction tube is then inserted through the dilated cervix into the uterus, sucking the embryo into a bottle.

• 宫颈钳钳住子宫颈,固定子宫的位置，然后负压吸管通过扩张过的子宫颈被插入子宫,把胚胎吸入收集瓶。