{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,10]],"date-time":"2025-09-10T22:29:51Z","timestamp":1757543391698},"reference-count":30,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,2,3]],"date-time":"2005-02-03T00:00:00Z","timestamp":1107388800000},"content-version":"vor","delay-in-days":8283,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am. J. Anat."],"published-print":{"date-parts":[[1982,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Neonatal female Sprague\u2010Dawley rats were given daily injections of 3 \u03bcg diethylstilbestro (DES) for 5 days beginning within 24 hours of birth. Some of these rats were ovariectomized between the 15th and 18th postnatal days, and on the 60th postnatal day were given daily injections of 3 \u03bcg estradiol for 1, 3, or 5 weeks. Intact rats were sacrificed at 60, 95, or 130 days. The morphology of the upper vagina, cervix, and lower uterus was examined by light and scanning electron microscopy. Two abnormalities resulting from neonatal DES exposure were found. The first was squamous metaplasia observed in the uteri of rats given DES and later exposed to exogenous or endogenous estrogen. Metaplasia was seen in both the luminal and glandular epithelium. The longer the rats were exposed to exogenous or endogenous estrogen, the more extensive was the metaplasia. The second was a gross morphologic abnormality seen in all rats given DES regardless of any later treatment. That part of the cervix that protrudes into the cranial limit of the vagina was absent and, thus, a vaginal fornix was nonexistent.<\/jats:p><jats:p>Previous investigations have emphasized abnormalities of the lower reproductive tract. The present study indicates that the upper reproductive tract also must be considered in investigations of the effects of hormones administered to neonates.<\/jats:p>","DOI":"10.1002\/aja.1001640205","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T12:58:51Z","timestamp":1109422731000},"page":"145-154","source":"Crossref","is-referenced-by-count":22,"title":["Reproductive tract abnormalities in rats treated neonatally with DES"],"prefix":"10.1002","volume":"164","author":[{"given":"Bruce W.","family":"Ennis","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jack","family":"Davies","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,2,3]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-4731(75)90051-5"},{"key":"e_1_2_1_3_1","first-page":"595","article-title":"The origin and development of estrogen\u2010induced uterine metaplasia","volume":"64","author":"Bo J. 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