Norethisterone enanthate is primarily used as a long-acting hormonal contraceptive. It is administered via intramuscular injection and provides effective birth control for several weeks to months, making it a convenient option for individuals seeking prolonged protection against pregnancy. This compound works by inhibiting ovulation, thickening cervical mucus to prevent sperm entry, and altering the endometrial lining to reduce the likelihood of implantation. It is particularly useful for women who may have difficulty adhering to daily oral contraceptives or those who prefer a low-maintenance contraceptive method. Additionally, it has been utilized in the treatment of gynecological disorders such as endometriosis and menstrual irregularities, helping to manage symptoms and improve quality of life. Its long-acting nature ensures consistent hormone levels, reducing the risk of user error and enhancing efficacy.