You can time sex better if you know when you ovulate. How to use our free ovulation calendar: if you don't know the length of your menstrual cycle or your luteal phase, you can leave these at their default values (menstrual cycle: 28 days, luteal phase: 14 days).
Testosterone is a steroid hormone from the androgen group and is found in humans and other vertebrates. In humans and other mammals, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females. Small amounts are also secreted by the adrenal glands.It is the principal male sex hormone and an anabolic steroid.n humans and other mammals, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females. Small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid.
Testosterone belongs to a class of hormones known as androgens; in-fact this is the primary androgenic hormone. A very powerful hormone in its own right, testosterone is largely responsible for testicular and prostate development, as well as the development of muscle tissue, bone density and strength.