What Is an Endocrinologist?
Reviewed: Dr. Gromatzky
5. Testicles and Ovaries
The testicles and ovaries are essential elements of the human reproductive system. The ovaries produce ova (eggs), while the testicles produce sperm. In addition, they also produce and secrete hormones. The ovaries produce the female hormones progesterone and estrogen, and these influence processes like menstruation and sexual development.
The testicles mostly produce testosterone, a hormone which affects the production of sperm, sexual development, and libido. Both men and women have a certain amount of all of these hormones, although they are present at different levels in each sex. Problems with the production of these hormones can have a profound impact on how the patient develops and their fertility.
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