In opening with a dialogue of the a few aims of ancient Hindu everyday living-dharma, artha and kama-Vatsyayana's goal is to set kama, or satisfaction of the senses, in context. The muscle mass that surrounds the vaginal opening tightens and the uterus elevates and grows in size. After sexual intercourse, sperm swim up this funnel from the uterus. The cervix is the slender finish of the uterus. The wide component of the uterus is the fundus.