All About Periods (for Teens) | Nemours KidsHealth
WEBA period happens because of changes in hormones in the body. Hormones are chemical messengers. The ovaries release the female hormones estrogen and progesterone. These hormones cause the lining of the uterus (or womb) to build up. The built-up lining is ready for a fertilized egg to attach to and start developing.
Menstrual Cycle Basics | 3D animation (1/2) - YouTube
Physiology, Menstrual Cycle - StatPearls - NCBI Bookshelf
WEBOct 24, 2022 · The reproductive system of a female, unlike men, shows regular cyclic changes that teleologically may be regarded as periodic preparation for pregnancy and fertilization. In primates and humans, the …
WHO statement on menstrual health and rights
WEBJun 22, 2022 · WHO calls for three actions. Firstly, to recognize and frame menstruation as a health issue, not a hygiene issue – a health issue with physical, psychological, and social dimensions, and one that needs to be addressed in the perspective of a life course – from before menarche to after menopause. Secondly, to recognize that menstrual health ...
Irregular Periods (Abnormal Menstruation): Causes & Treatment
WEBOther causes of abnormal menstruation. Certain medications, complications of pregnancy or breastfeeding (chestfeeding) may also cause your period to be irregular. Other causes include: Birth control pills: Most birth control pills contain a combination of hormones.
What is Menstruation? | American Pregnancy Association
WEBMenstruation, also know as your period, is the discharge of blood and tissue from the lining of your uterus that occurs at the beginning of your menstrual cycle. Each woman’s menstruation cycle varies, but the process is always the same.
Menstrual cycle - Wikipedia
WEBMenstrual 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 …
What’s a Normal Menstrual Period? - WebMD
WEBMar 6, 2024 · What Is a Normal Period? A normal period (or normal menstruation) is different for every woman.Each month, one of your ovaries releases an egg. Meanwhile, your uterus gets ready to help your baby ...
Menstruation and Menstrual Problems | NICHD - Eunice Kennedy …
WEBJan 31, 2017 · Menstruation is one part of the menstrual cycle, in which female hormones prepare the uterus to support a pregnancy. More >> What are the symptoms of menstruation? The primary sign of menstruation is bleeding from the vagina. Additional signs include cramping, lower back pain, bloating, sore breasts, food cravings, irritability, …
What Is the Normal Cycle for Menstruation? - MedicineNet
WEBFeb 1, 2023 · Menstruation is the process by which the uterus sheds its lining, marking the beginning of a new menstrual cycle. It typically occurs once a month in women of reproductive age and is a sign that the body is not pregnant. The menstrual cycle, popularly known as a period, refers to the physical and hormonal changes that occur in a woman's …
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