This document summarizes the World Health Organization's medical eligibility criteria for contraceptive use in patients with various endocrine conditions. It provides ratings from 1 to 4 for different contraceptive methods (such as combined oral contraceptives, progestin-only pills, implants, and IUDs) in patients with diabetes, thyroid disorders, and a history of gestational diabetes. A rating of 1 indicates no restriction, 2 means the benefits generally outweigh the risks, 3 means the risks usually outweigh the benefits, and 4 represents an unacceptable health risk. For example, most methods receive a rating of 1 or 2 for patients with simple thyroid disorders, while some receive a rating of 3 or 4 for insulin-dependent diabetes with complications