“…In men, testosterone replacement can be administered as transdermal gels, patches, buccal or subcutaneous pellets, or intramuscular injections (37). As the cardiovascular safety of testosterone replacement in older men, particularly those with cardiovascular disease, has been called into question in recent observational studies, caution is advised before considering testosterone replacement in these groups until more definitive data from clinical trials become available (48,49). Women of premenopausal age who have central hypogonadism can receive estrogen and progestin replacement (if they have an intact uterus) or estrogen replacement only (after hysterectomy), if not contraindicated, based on careful gynecologic evaluation and follow-up.…”