Prostaglandins are substances with chemical structures that resemble hormones. Its role is quite important because prostaglandins are needed in the reproductive system and wound healing process. Unlike hormones, prostaglandins are produced by the body only under certain conditions. Naturally, the body will produce prostaglandins when needed. Function of Prostaglandins in Reproductive Systems Prostaglandins will be produced by the body throughout the menstrual cycle. Although there is a need for further research related to the function of prostaglandins in the reproductive system, prostaglandin function is known during menstruation which is to stimulate the uterine muscles to contract to help menstrual blood expenditure. This then causes menstrual pain. If menstrual pain feels so painful, this could be caused by high levels of prostaglandins in the body. In pregnant women, prostaglandins help the uterus contract and make the cervix open wider. Medications containing prostaglandin