Testosterone and fertility:
Testosterone plays an important role in making sperm, a low count of sperm certainly affects male fertility.
Luteinizing and follicle-stimulating hormones are called gonadotropins, the brain interprets, send the signal to make more or less the testosterone by the testes.
The gonadotropins stimulate the gonads, the testes (males) and the ovaries (females).
It is harder to conceive a child with low count sperm because the Testosterone is vital for a healthy sperm count.
So that is testosterone is important for reproduction.
Read more - Testosterone and gonad hormones
