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Menstrual synchrony, also called the McClintock effect, [1] or the Wellesley effect, [2] is a contested process whereby women who begin living together in close proximity would experience their menstrual cycle onsets (the onset of menstruation or menses) becoming more synchronized together in time than when previously living apart.
Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone ...
Menstrual cycle The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the ...
If your daughter is between the ages of 8 and 12, you've probably talked to her about periods and what to expect when hers arrives. But it's also important for the boys in your home to understand ...
Ultimately, the important thing for parents to remember is that teaching kids — boys and girls — about periods empowers them with the knowledge they need to take care of their bodies and helps ...
Many people experience diarrhea while on their period (commonly known as “period poops”). We spoke to doctors about what causes the phenomenon and how best to manage stomach-related issues ...
Men may have a reduced refractory period and may be capable of multiple orgasms. [16] According to some studies, 18-year-old males have a refractory period of about 15 minutes, while those in their 70s take about 20 hours. [17] Although rarer, some males exhibit no refractory period or a refractory period lasting less than 10 seconds. [18]
After your first period, it can take from six months to a year for your period to become regular (occurring every 28 days). Still, if you are sexually active and miss a period, see your doctor for ...