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In very rare instances, menarche may occur at an unusually early age, preceding thelarche and other signs of puberty. This is termed isolated premature menarche, but other causes of vaginal bleeding must be investigated and excluded. Growth is usually normal. [16]
Fortunately, we tapped gynecologist Dr. Alyssa Dweck for some answers that will help you identify the root cause of the surprise attack ASAP. Meet the Expert Dr. Alyssa Dweck, MS, MD, FACOG, is a ...
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.
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 ...
Early menstruation has been linked to cardiovascular diseases and cancers, ... socioeconomic status and potential exposure to certain chemicals are all possible causes of precocious puberty. Race ...
Various hypotheses and inferences on pubertal (menstrual, procreative) timing are attested since ancient times, which, well into early modernity were explained on the basis of temperamental, humoral and Jungian "complexional" causes, or general or local "plethora" (blood excess).
Menstrual cycle. The menstrual cycle is on average 28 days in length. It begins with menses (day 1–7) during the follicular phase (day 1–14), followed by ovulation (day 14) and ending with the luteal phase (day 14–28). [1]
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 ...