Uterine Peristaltic Activity and the Development of Endometriosis

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This paper proposes that uterine hyperperistalsis, caused by endometrial estrogen interfering with ovarian control of myometrial peristalsis, promotes retrograde menstruation and endometrial proliferation, leading to endometriosis and adenomyosis.

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Abstract

Peristaltic activity of the nonpregnant uterus serves fundamental functions in the early process of reproduction, such as directed transport of spermatozoa into the tube ipsilateral to the dominant follicle, high fundal implantation of the embryo, and, possibly, retrograde menstruation. Hyperperistalsis of the uterus is significantly associated with the development of endometriosis and adenomyosis. In women with hyperperistalsis, fragments of basal endometrium are detached during menstruation and transported into the peritoneal cavity. Fragments of basal endometrium have, because of their equipment with estrogen and progesterone receptors and because of their ability to produce estrogen, an increased potential of implantation and proliferation, resulting in pelvic endometriosis. In addition, hyperperistalsis induces the proliferation of basal endometrium into myometrial dehiscencies. This results in endometriosis-associated adenomyosis with a prevalence of approximately 90%. Adenomyosis results in impaired directed sperm transport and thus constitutes an important cause of sterility in women with endometriosis. Our own date and that from the literature strongly suggest that the principal mechanism of endometriosis/adenomyosis is the paracrine interference of endometrial estrogen with the cyclical endocrine control of archimyometrial peristalsis exerted by the ovary, thus resulting in hyperperistalsis.

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Condition tags

endometriosisadenomyosis

MeSH descriptors

Endometriosis Uterine Contraction Uterus Endometriosis Endometriosis Female Humans Uterine Contraction Uterus

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (43)

Cited by (50)

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License: CC0 · commercial use OK