What is estrogen withdrawal bleeding?

Updated: Dec 07, 2018
  • Author: Millie A Behera, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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This frequently occurs in women approaching the end of reproductive life. In older women, the mean length of menstrual cycle is shortened significantly due to aberrant follicular recruitment, resulting in a shortened proliferative phase. Ovarian follicles in these women secrete less estradiol. Fluctuating estradiol levels might lead to insufficient endometrial proliferation with irregular menstrual shedding. This bleeding might be experienced as light, irregular spotting.

Eventually, the duration of the luteal phase shortens, and, finally, ovulation stops. Dyssynchronous endometrial histology with irregular menstrual shedding and eventual amenorrhea result.

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