Estrogen
The follicles of the ovaries create the female sex hormone estrogen, which is a component of the estradiol hormone. It is in charge of expanding and maintaining the uterine lining, especially thickening it over time following fertilization to facilitate a safe pregnancy. Throughout the menstrual cycle, estrogen levels fluctuate, reaching a peak during ovulation. And as compared to an earlier age, estrogen levels are at their lowest after menopause.
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