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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 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. "For example ...
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
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 ...
Science Buddies also provides resources to support parents and teachers as they guide students seeking out and performing science projects. They attempt to provide a bridge between scientists, engineers, educators, and students, giving students access to current scientific research and simultaneously giving scientists a way to reach out to ...
Period. End of Sentence. is a 2018 documentary short film directed by Rayka Zehtabchi about Indian women leading a quiet menstrual health revolution. The film stars Arunachalam Muruganantham , Shabana Khan, Gouri Choudari, Ajeya, and Anita.
Dysmenorrhea, also known as period pain, painful periods or menstrual cramps, is pain during menstruation. [4] [5] [2] Its usual onset occurs around the time that menstruation begins. [1] Symptoms typically last less than three days. [1] The pain is usually in the pelvis or lower abdomen. [1] Other symptoms may include back pain, diarrhea or ...
When considering a 10-year time period, waste from consistent use of a menstrual cup is only a small fraction of the waste of pads or tampons. [14] For example, if compared with using 12 pads per period, use of a menstrual cup would produce only 0.4% of the plastic waste. [14]