Skip to main content
. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: Curr Opin Endocrinol Diabetes Obes. 2008 Jun;15(3):255–260. doi: 10.1097/MED.0b013e3282fcc30d

Figure 1. Spermatogenesis and male hormonal contraception.

Figure 1

Solid arrows, promotes spermatogenesis; dashed arrows, inhibits spermatogenesis. FSH, follicle-stimulating hormone; GnRH, gonadotropin-releasing hormone; LH, luteinizing hormone. Negative feedback of testosterone occurs at the level of the pituitary, the hypothalamus and the cortex.