Macgest 200 Capsule contains Progesterone (Natural Micronized) 200 mg, a hormone essential for regulating the menstrual cycle and maintaining pregnancy. Progesterone is a naturally occurring steroid hormone produced by the corpus luteum in the ovary and plays a critical role in preparing the endometrium for implantation of an embryo and supporting early pregnancy. Macgest 200 is indicated for the treatment of progesterone deficiency states, including luteal phase support in assisted reproductive technology (ART) protocols, prevention of threatened miscarriage, and management of secondary amenorrhea. It is also used in hormone replacement therapy (HRT) to counterbalance the effects of estrogen on the endometrium, reducing the risk of endometrial hyperplasia. The natural micronized form enhances bioavailability and absorption when administered orally. Dosage and duration of therapy should be individualized based on clinical response and physician guidance. Common adverse effects may include dizziness, headache, breast tenderness, and gastrointestinal disturbances. Macgest 200 should be used with caution in patients with hepatic impairment, thromboembolic disorders, or hypersensitivity to progesterone. It is contraindicated during pregnancy except when used for luteal support and should not be administered to patients with known or suspected hormone-dependent malignancies. Regular monitoring and follow-up are recommended to ensure therapeutic efficacy and safety.