Although a person's monthly periods stop after they have been through menopause, they may still sometimes experience abdominal cramping. These cramps are usually nothing serious, but can sometimes be a sign of an underlying medical condition, such as uterine fibroids, endometriosis, or cancer. Learn more here.

Skipping one or more periods using the birth control pill is usually safe and poses few risks. A person may want to skip a period to avoid discomfort, for convenience, or for other reasons. Learn how to skip a period using birth control here. We also look at types of birth control that reduce the frequency of periods.

New research suggests that a dysfunctional nitrogen metabolism may be an early sign of cancer. The findings may lead to better diagnostic tools.