Emmaxin is the trade name, generic name of progesterone capsules, taking the drug does not promote sperm-egg binding. Progesterone is a type of progesterone, which belongs to the progesterone class of drugs. Progesterone is mainly used for the treatment of premenstrual abortion, menopause, anovulatory dysmenorrhea and anovulatory amenorrhea. No studies have shown that progesterone can promote sperm-egg binding. Progesterone is a common birth control drug as it encourages the growth of glands in the endometrium, thickening of the endometrium, and reduces uterine excitability and inhibits uterine activity during pregnancy to allow for the safe growth of the embryo. Use of this drug may cause adverse reactions such as change in the nature of cervical discharge, breast swelling, nausea, dizziness, headache. It is contraindicated for people who are allergic to the drug, and people with unexplained vaginal bleeding. Patients are advised to use the drug under the guidance of a doctor and are strictly prohibited from using the drug on their own to prevent serious adverse reactions.