SEX HORMONES IN WOMEN The main issue I m going to discuss is Premenstrual Syndrome, or PMS. It is a constellation of symptoms that directly precedes menstruation. These symptoms vary from woman to woman. PMS is a hormonal disorder characterized by a regularly recurring group of symptoms. These symptoms may occur from two to fourteen days before a woman’s menstrual period, usually disappearing after the period begins and directly followed by a symptom-free time …showed first 75 words of 639 total…

…showed last 75 words of 639 total…CELLS- lepitin, a protein secreted by these cells, is involved in the progression of puberty. The nations obesity epidemic makes lepitin a prime suspect. *DDE- though the US banned the pesticide DDT in 1972, this breakdown product persists in the environment. These are just some of the things people suspect could be causing early development in children at such young ages but no one is for sure on why or what is causing this strange phenomenon.