Adco-Prolief is a medication primarily used for hormone replacement therapy in individuals experiencing symptoms of menopause. It contains a combination of estrogens and progestins, which help alleviate symptoms such as hot flashes, night sweats, and vaginal dryness. Additionally, it may help prevent osteoporosis in postmenopausal women. As with any hormone therapy, it's important to use it under medical supervision due to potential side effects and risks.