In DRONIS 30mcg Tablet, Drospirenone belongs to the class of drugs called progestins. Estradiol belongs to the class of drugs called estrogens. The drug acts by binding to the target receptors and suppresses the release of follicle-stimulating hormone (FSH) from the anterior pituitary. Thereby, it regulates the secretion of gonadotropin-releasing hormone (GnRH).