Reproductive endocrinology describes the hormones and control mechanisms that regulate sexual development, sexual function, and reproduction. Doctor will check for obvious hormonal or reproductive tract disorders that could explain infertility, such as an excess or deficiency of thyroid hormone, an excess of prolactin (a hormone involved in regulating menses), or an excess of androgens (hormones that stimulate male sexual characteristics).

Once a diagnosis is made, the reproductive specialist will develop and implement personalized treatment plans to assist individuals and couples to conceive.