Reproductive endocrinologists are medical doctors who specialize in the care and treatment of women who have trouble becoming pregnant or who have other reproductive or hormonal disorders. These doctors may also treat men, women, or children who are having other health problems that could affect their fertility.

Reproductive endocrinologists are gynecologists or internal medicine doctors (with training in endocrinology) who specialize in infertility. They may also be called reproductive specialists or fertility specialists.

Reproductive endocrinologists can be board-certified through the Board of Obstetrics and Gynecology, which is recognized by the American Board of Medical Specialties.