It is not clear what causes of premenstrual syndrome. Fluctuations in gonadal hormones (progesterone or estrogen) and brain chemicals may play a role although their exact significance is unclear. Hormonal levels seem to be the same in women whether or not they have premenstrual syndrome. It is possible that women with premenstrual syndrome are somehow more sensitive to these changing levels of hormones.
The hypothalamic-pituitary-adrenal (HPA)...
Read moreMost women are familiar with Premenstrual syndrome (PMS) and its symptoms, such as bloating, breast tenderness, irritability and mood... Read more »
Source: Harvard Decision Guide
What Is It? Premenstrual syndrome (PMS) is a collection of physical, psychological and emotional symptoms that many women experience during the one... Read more »
Source: ADAM Encyclopedia
Premenstrual Syndrome SymptomsPremenstrual syndrome (PMS) can produce physical and emotional or behavioral symptoms in the days before... Read more »
Source: ADAM Encyclopedia
ReferencesCoffee AL, Kuehl TJ, Willis S, Sulak PJ. Oral contraceptives and premenstrual symptoms: Comparison of a 21/7 and extended regimen. Am J... Read more »
Source: ADAM Encyclopedia
About 40 - 80% of women in their reproductive years experience some of the emotional and physical symptoms of premenstrual syndrome (PMS).. Between 3... Read more »
Source: ADAM Encyclopedia
Nearly every woman at some point has some symptoms as menstruation approaches. For about half of these women, symptoms are mild and do not affect... Read more »