Mononessa is a combination birth control pill that is used for preventing pregnancy. It consists of two hormones an estrogen and a progestin. Mononessa primarily acts by suppression of gonadotropins. The main mechanism of action of Mononessa is inhibiting ovulation. However, it also alters the cervical mucus and the endometrium. Mononessa is a medicine used to prevent pregnancy. In other words, the medicine functions as a contraceptive agent. Mononessa may also be used for purposes not listed in this guide, at the discretion of the prescriber. Mononessa is used because its two active ingredients – ethinyl estradiol and norgestimate – work together to prevent ovulation. Ovulation is the process responsible for the release of an egg from the ovary. The medicine also works to thicken cervical mucus and alter the uterine lining – making it that much more difficult for implantation to take place. Mononessa is associated with its own range of potential side effects. Among these include nausea, vomiting, breast tenderness, headache, weight changes, rash, and skin changes.