Dydrogesterone 20 mg Extended-Release tablet is a synthetic progesterone hormone preparation used in gynecology to manage conditions related to progesterone deficiency. The extended-release formulation provides gradual and sustained release of the medicine, helping maintain stable progesterone levels in the body for a longer duration. It is commonly prescribed for irregular menstrual cycles, threatened or recurrent miscarriage, luteal phase defect, infertility support, dysmenorrhea, endometriosis, and premenstrual syndrome (PMS). It also helps support the uterine lining (endometrium) and maintain pregnancy in women who have low progesterone levels. This formulation improves hormonal balance, cycle regulation, and reproductive health.