This is all due to a lack of the reproductive hormone estrogen.
In turn, the hypothalamus regulates the release of reproductive hormones required for breeding.
Vulnerability to depression mushrooms when children begin producing significant amounts of reproductive hormones.
Progesterone, the female reproductive hormone, may be an effective treatment for traumatic brain injury, a new study reports.
"But the excess levels of reproductive hormones are not in themselves the cause of this problem," Klass said.
This suggests that reproductive hormones in women are important for determining cuteness.
But an imbalance of reproductive hormones is only part of the problem.
Scientists agree that certain synthetic chemicals may mimic reproductive hormones.
Women who have the condition stop producing eggs and reproductive hormones even though they are nowhere near the age of menopause.
A female's reproductive hormones are triggered instantly and within 20 minutes her uterus starts to swell.