Assertion: estrogen | /r/HasProperty | necessary for healthy libido
Facets:
Source sentences:
text: In males, estrogen regulates certain functions of the reproductive system important to the maturation of sperm and may be necessary for a healthy libido.
text: It is present (in much smaller quantities) in males, where it functions together with androgens to regulates certain functions of the reproductive system important to the maturation of sperm, and may be necessary for a healthy libido.