Menstruation and ovulation

The Association between Endometriomas and Ovarian Cancer: Preventive Effect of Inhibiting Ovulation and Menstruation during Reproductive Life

Although endometriosis frequently involves multiple sites in the pelvis, malignancies associated with this disease are mostly confined to the ovaries, evolving from an endometrioma. Endometriomas present a 2-3-fold increased risk of transformation in clear-cell, endometrioid, and possibly low-grade serous ovarian cancers, but not in mucinous ovarian cancers. These last cancers are, in some aspe...

Woman, moon and menstruation.

“The pituitary has an intrinsic rhythm of small amplitude with a frequency of every two to ten minutes. Superimposed on this intrinsic rhythm is a rhythm caused by the pulsatile release of hypophysiotropic releasing factors, with or without the withdrawal of a corresponding inhibitory factor. Rhythms that are shorter than a day are referred to as ultradian rhythms. The next layer of rhythmicity...

Case of Vicarious Menstruation

Hormones in Menstruation and Pregnancy

Letter: Menstruation and violent behavior.