{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T14:03:28Z","timestamp":1761487408734},"reference-count":32,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,5,31]],"date-time":"2005-05-31T00:00:00Z","timestamp":1117497600000},"content-version":"vor","delay-in-days":7730,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Teratology"],"published-print":{"date-parts":[[1984,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The synthetic estrogen, diethylstilbestrol (DES), causes urogenital malformations in humans, primates, and rodents. This study was designed to determine whether these effects of DES are related to its estrogenicity. Therefore, DES (0.1, 1, and 10 \u03bcg) or the natural estrogen, estradiol (E<jats:sub>2<\/jats:sub>) (10 and 100 \u03bcg) was injected directly into day 19 rat fetuses. In the 6\u2010 to 7\u2010week\u2010old female offspring exposed to DES, a dose\u2010related incidence of cleft phallus, hypospadias, and incomplete coiling of oviducts was observed. The single fetal injection of E<jats:sub>2<\/jats:sub> elicited similar urogenital malformations, but was approximately 100\u2010fold less potent than DES. A single subcutaneous dose of either DES (0.025, 0.25, or 2.5 mg\/kg) or E<jats:sub>2<\/jats:sub> (2.5 or 25 mg\/kg) to dams on day 19 of pregnancy induced a spectrum of malformations similar to that following fetal injection. The offspring of treated dams, but not those injected directly as fetuses, had nonfunctioning ovaries (no corpora lutea) yet vaginal signs of estrous were present. It is concluded that DES can act directly in the fetus and its teratogenicity does not require maternal mediation. Since a high dose of E<jats:sub>2<\/jats:sub> produced similar malformations when given to fetuses, it appears that excess estrogen during prenatal life is teratogenic. Thus, at least those endpoints of the teratogenicity of DES that were measured are accounted for by its estrogenic activity.<\/jats:p>","DOI":"10.1002\/tera.1420290216","type":"journal-article","created":{"date-parts":[[2005,6,11]],"date-time":"2005-06-11T14:48:49Z","timestamp":1118501329000},"page":"297-304","source":"Crossref","is-referenced-by-count":25,"title":["Direct fetal injections of diethylstilbestrol and 17\u03b2\u2010estradiol: A method for investigating their teratogenicity"],"prefix":"10.1002","volume":"29","author":[{"given":"Ellen C.","family":"Henry","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard K.","family":"Miller","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raymond B.","family":"Baggs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,5,31]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"28A","article-title":"Induction of urogenital malformation by diethylstilbestrol in the ferret","volume":"27","author":"Baggs R. 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