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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 ...
Menopause, also known as the climacteric, is the time when menstrual periods permanently stop, marking the end of the reproductive stage for the female human. [1] [6] [7] It typically occurs between the ages of 45 and 55, although the exact timing can vary. [8]
Estrogen is associated with edema, including facial and abdominal swelling. Melanin. Estrogen is known to cause darkening of skin, especially in the face and areolae. [38] Pale skinned women will develop browner and yellower skin during pregnancy, as a result of the increase of estrogen, known as the "mask of pregnancy". [39]
The volumes of sexually dimorphic brain structures in transgender women were found to change and approximate typical female brain structures when exposed to estrogen concomitantly with androgen deprivation over a period of months, [31] suggesting that estrogen and/or androgens have a significant part to play in sex differentiation of the brain ...
At low concentration, estrogen inhibits gonadotropins, but high concentration of estrogen stimulates them. In addition, as more estrogen is secreted, more LH receptors are made by the theca cells, inciting theca cells to create more androgen that will become estrogen downstream.
Until recently, inspiring representations of women over 40 in fiction or on screen were thin on the ground. But the middle-aged heroine is having a moment – and, far from glossing over her age ...
Estrogen can also reduce vaginal atrophy and increase sexual arousal, frequency and orgasm. [21] The effectiveness of hormone replacement can decline in some women after long-term use. [21] A number of studies have also found that the combined effects of estrogen/androgen replacement therapy can increase libido and arousal over estrogen alone. [21]
The Basics of Losing Weight After 40. Losing weight can be challenging at the best of times. But after the big 4-0, a few more challenges pop up, making weight gain common and weight loss harder.