The reproductive system is the group of organs that produce offspring. In both males and females, the reproductive system is composed of primary sex organs and primary regulatory centers. The primary sex organs are testes in the male and the ovaries and uterus in the female. The primary regulatory centers are in the brain. They control the production of hormones that in turn influence the functioning of the primary sex organs.

Last full review/revision July 2011 by Cheri A. Johnson, DVM, MS, DACVIM (Small Animal); James A. Flanders, DVM, DACVS; Autumn P. Davidson, DVM, MS, DACVIM; Fabio Del Piero, DVM, DACVP, PhD; Mushtaq A. Memon, BVSc, MS, PhD, DACT; Robert C. Rosenthal, DVM, PhD, DACVIM (Small Animal, Oncology), DACVR (Radiation Oncology); Brad E. Seguin, DVM, MS, PhD DACT