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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 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 ...
“Plus, periods aren’t going anywhere so hopefully this isn’t just a trend.” Wellness, parenting, body image and more: Get to know the who behind the hoo with Yahoo Life's newsletter. Sign ...
Later in life, a woman goes through menopause and menstruation halts. The ovaries stop releasing eggs and the uterus stops preparing for pregnancy. The external sex organs are also known as the genitals, and these are the organs of the vulva, including the labia, clitoris, and vestibule. [3]
Starting menstruation is an important sign of health. A new study shows that the trend of children starting at an earlier age may point to worrying conditions.
Ovulation is an important part of the menstrual cycle in female vertebrates where the egg cells are released from the ovaries as part of the ovarian cycle. In female humans ovulation typically occurs near the midpoint in the menstrual cycle and after the follicular phase. Ovulation is stimulated by an increase in luteinizing hormone (LH).
Period products are an expense that many in the U.S. can't afford. Here's how they manage — and what people can do to help.
Chance of fertilization by menstrual cycle day relative to ovulation [14] Pregnancy rates for sexual intercourse are highest during the menstrual cycle time from some 5 days before until 1 to 2 days after ovulation. [15] For optimal pregnancy chance, there are recommendations of sexual intercourse every 1 or 2 days, [16] or every 2 or 3 days. [17]