{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T23:47:51Z","timestamp":1790898471838,"version":"4.1.0"},"reference-count":75,"publisher":"Informa UK Limited","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"published-print":{"date-parts":[[2006,1]]},"DOI":"10.1080\/14767050600949829","type":"journal-article","created":{"date-parts":[[2006,12,27]],"date-time":"2006-12-27T19:38:18Z","timestamp":1167248298000},"page":"763-772","source":"Crossref","is-referenced-by-count":84,"title":["Mechanisms of progesterone action in inhibiting prematurity"],"prefix":"10.1080","volume":"19","author":[{"given":"Anna K.","family":"Sfakianaki","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Errol R.","family":"Norwitz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2009,7,7]]},"reference":[{"key":"CIT0001","first-page":"1","volume":"54","author":"Hamilton B E","year":"2005","journal-title":"Natl Vital Stat Rep"},{"key":"CIT0002","first-page":"435","volume":"395","author":"Lopez Bernal A","year":"1995","journal-title":"Adv Exp Med Biol"},{"key":"CIT0003","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1111\/j.1749-6632.1991.tb37880.x","volume":"622","author":"Romero R","year":"1991","journal-title":"Ann N Y Acad Sci"},{"key":"CIT0004","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(87)80245-4"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2000.106751"},{"key":"CIT0006","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1067\/mob.2001.117638","volume":"185","author":"Elovitz M A","year":"2001","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0007","volume-title":"Maternal-fetal medicine: Principles and practice","author":"Challis J R","year":"2004"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199305273282101"},{"key":"CIT0009","first-page":"514","volume":"21","author":"Challis J R","year":"2000","journal-title":"Endocr Rev"},{"key":"CIT0010","doi-asserted-by":"crossref","first-page":"660","DOI":"10.1056\/NEJM199908263410906","volume":"341","author":"Norwitz E R","year":"1999","journal-title":"NEJM"},{"key":"CIT0011","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1056\/NEJM197510022931401","volume":"293","author":"Johnson J W","year":"1975","journal-title":"N Engl J Med"},{"key":"CIT0012","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1016\/0002-9378(85)90141-3","volume":"151","author":"Yemini M","year":"1985","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0013","first-page":"692","volume":"56","author":"Hartikainen-Sorri A L","year":"1980","journal-title":"Obstet Gynecol"},{"key":"CIT0014","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/0002-9378(83)91051-7","volume":"146","author":"Hauth J C","year":"1983","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0015","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1111\/j.1471-0528.1990.tb01740.x","volume":"97","author":"Keirse M J","year":"1990","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0016","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1016\/0002-9378(60)90381-1","volume":"79","author":"Fuchs F","year":"1960","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0017","doi-asserted-by":"crossref","first-page":"404","DOI":"10.1016\/0002-9378(80)90137-4","volume":"138","author":"Kauppila A","year":"1980","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0018","doi-asserted-by":"crossref","first-page":"525","DOI":"10.1016\/0002-9378(86)90595-8","volume":"154","author":"Erny R","year":"1986","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0019","doi-asserted-by":"crossref","first-page":"694","DOI":"10.1016\/0002-9378(85)90167-X","volume":"151","author":"Tomasi A","year":"1985","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0020","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/0028-2243(91)90118-5","volume":"40","author":"Noblot G","year":"1991","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"CIT0021","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa035140"},{"key":"CIT0022","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2003.41"},{"key":"CIT0023","doi-asserted-by":"crossref","first-page":"1069","DOI":"10.1073\/pnas.54.4.1069","volume":"54","author":"Csapo A I","year":"1965","journal-title":"Proc Natl Acad Sci USA"},{"key":"CIT0024","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1136\/bmj.1.5899.137","volume":"1","author":"Csapo A I","year":"1974","journal-title":"Br Med J"},{"key":"CIT0025","doi-asserted-by":"crossref","first-page":"612","DOI":"10.1016\/0002-9378(77)90359-3","volume":"127","author":"Cousins L M","year":"1977","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0026","doi-asserted-by":"crossref","first-page":"1603","DOI":"10.1002\/j.1460-2075.1990.tb08280.x","volume":"9","author":"Kastner P","year":"1990","journal-title":"Embo J"},{"key":"CIT0027","first-page":"1347","volume":"8","author":"Sartorius C A","year":"1994","journal-title":"Mol Endocrinol"},{"key":"CIT0028","doi-asserted-by":"publisher","DOI":"10.1093\/molehr\/7.9.875"},{"key":"CIT0029","doi-asserted-by":"publisher","DOI":"10.1128\/MCB.20.9.3102-3115.2000"},{"key":"CIT0030","doi-asserted-by":"crossref","first-page":"843","DOI":"10.1677\/jme.0.0320843","volume":"32","author":"Dong X","year":"2004","journal-title":"J Mol Endocrinol"},{"key":"CIT0031","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/S1071-5576(02)00144-2","volume":"9","author":"Haluska G J","year":"2002","journal-title":"J Soc Gynecol Investig"},{"key":"CIT0032","doi-asserted-by":"crossref","first-page":"2924","DOI":"10.1210\/jcem.87.6.8609","volume":"87","author":"Mesiano S","year":"2002","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0033","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/j.jsgi.2003.12.004","volume":"11","author":"Mesiano S","year":"2004","journal-title":"J Soc Gynecol Investig"},{"key":"CIT0034","doi-asserted-by":"crossref","first-page":"1010","DOI":"10.1210\/jc.2003-031037","volume":"89","author":"Madsen G","year":"2004","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0035","doi-asserted-by":"crossref","first-page":"1114","DOI":"10.1007\/s00018-004-4030-2","volume":"61","author":"Ni X","year":"2004","journal-title":"Cell Mol Life Sci"},{"key":"CIT0036","doi-asserted-by":"crossref","first-page":"1418","DOI":"10.1096\/fj.04-1684fje","volume":"18","author":"Leite R S","year":"2004","journal-title":"FASEB J"},{"key":"CIT0037","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1016\/S0039-128X(03)00129-6","volume":"68","author":"Leonhardt S A","year":"2003","journal-title":"Steroids"},{"key":"CIT0038","first-page":"3387","volume":"86","author":"Cermik D","year":"2001","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0039","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1080\/09513590310001651777","volume":"18","author":"Stjernholm-Vladic Y","year":"2004","journal-title":"Gynecol Endocrinol"},{"key":"CIT0040","doi-asserted-by":"crossref","first-page":"1156","DOI":"10.1016\/j.ajog.2005.05.071","volume":"193","author":"Oh S Y","year":"2005","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0041","first-page":"108","volume":"183","author":"Norwitz E R","year":"2000","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0042","doi-asserted-by":"publisher","DOI":"10.3109\/07853899809005850"},{"key":"CIT0043","doi-asserted-by":"crossref","first-page":"518","DOI":"10.1111\/j.1749-6632.1971.tb53219.x","volume":"180","author":"Embrey M","year":"1971","journal-title":"Ann N Y Acad Sci"},{"key":"CIT0044","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1097\/00003081-198809000-00005","volume":"31","author":"Casey M L","year":"1988","journal-title":"Clin Obstet Gynecol"},{"key":"CIT0045","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1093\/molehr\/7.6.581","volume":"7","author":"Allport V C","year":"2001","journal-title":"Mol Hum Reprod"},{"key":"CIT0046","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1095\/biolreprod.102.013698","volume":"69","author":"Loudon J A","year":"2003","journal-title":"Biol Reprod"},{"key":"CIT0047","doi-asserted-by":"crossref","first-page":"5279","DOI":"10.1210\/jc.2005-0210","volume":"90","author":"Cakmak H","year":"2005","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0048","doi-asserted-by":"crossref","first-page":"1144","DOI":"10.1016\/j.ajog.2005.05.046","volume":"193","author":"Shields A D","year":"2005","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0049","doi-asserted-by":"crossref","first-page":"1149","DOI":"10.1016\/j.ajog.2005.05.043","volume":"193","author":"Elovitz M A","year":"2005","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0050","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1016\/0006-291X(85)91764-4","volume":"131","author":"Wilson T","year":"1985","journal-title":"Biochem Biophys Res Commun"},{"key":"CIT0051","doi-asserted-by":"crossref","first-page":"602","DOI":"10.1016\/S0002-9378(89)80038-9","volume":"160","author":"Wilson T","year":"1989","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0052","doi-asserted-by":"crossref","first-page":"447","DOI":"10.1016\/0006-291X(91)90944-3","volume":"176","author":"Wilson T","year":"1991","journal-title":"Biochem Biophys Res Commun"},{"key":"CIT0053","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1016\/0090-6980(92)90009-I","volume":"44","author":"Wilson T","year":"1992","journal-title":"Prostaglandins"},{"key":"CIT0054","doi-asserted-by":"publisher","DOI":"10.1016\/S1071-5576(99)00037-4"},{"key":"CIT0055","doi-asserted-by":"crossref","first-page":"579","DOI":"10.1067\/mob.2001.116753","volume":"185","author":"Henderson D","year":"2001","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0056","doi-asserted-by":"crossref","first-page":"9518","DOI":"10.1073\/pnas.1633616100","volume":"100","author":"Condon J C","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"key":"CIT0057","doi-asserted-by":"crossref","first-page":"460","DOI":"10.1038\/nm0595-460","volume":"1","author":"McLean M","year":"1995","journal-title":"Nat Med"},{"key":"CIT0058","doi-asserted-by":"crossref","first-page":"1546","DOI":"10.1016\/S0140-6736(99)03418-2","volume":"354","author":"Grammatopoulos D K","year":"1999","journal-title":"Lancet"},{"key":"CIT0059","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1530\/rep.0.1240001","volume":"124","author":"Challis J R","year":"2002","journal-title":"Reproduction"},{"key":"CIT0060","doi-asserted-by":"crossref","first-page":"556","DOI":"10.1038\/nm0596-556","volume":"2","author":"Karalis K","year":"1996","journal-title":"Nat Med"},{"key":"CIT0061","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-005-0728-0"},{"key":"CIT0062","doi-asserted-by":"publisher","DOI":"10.1038\/33176"},{"key":"CIT0063","doi-asserted-by":"crossref","first-page":"1327","DOI":"10.1016\/S0140-6736(98)05247-7","volume":"353","author":"Thornton S","year":"1999","journal-title":"Lancet"},{"key":"CIT0064","doi-asserted-by":"publisher","DOI":"10.1016\/S0301-2115(02)00422-0"},{"key":"CIT0065","first-page":"589","volume":"110","author":"Astle S","year":"2003","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0066","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod49.5.980"},{"key":"CIT0067","doi-asserted-by":"crossref","first-page":"993","DOI":"10.1095\/biolreprod54.5.993","volume":"54","author":"Sabeur K","year":"1996","journal-title":"Biol Reprod"},{"key":"CIT0068","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1016\/S0039-128X(01)00173-8","volume":"67","author":"Luconi M","year":"2002","journal-title":"Steroids"},{"key":"CIT0069","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1210\/jc.2004-0793","volume":"90","author":"Shah C","year":"2005","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0070","doi-asserted-by":"publisher","DOI":"10.1177\/002215540305100808"},{"key":"CIT0071","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1042\/bse0400105","volume":"40","author":"Boonyaratanakornkit V","year":"2004","journal-title":"Essays Biochem"},{"key":"CIT0072","doi-asserted-by":"crossref","first-page":"2237","DOI":"10.1073\/pnas.0436133100","volume":"100","author":"Zhu Y","year":"2003","journal-title":"Proc Natl Acad Sci USA"},{"key":"CIT0073","unstructured":"American College of Obstetricians and Gynecologists Committee on Obstetric Practice: Use of progesterone to reduce preterm birth. No. 291, November 2003."},{"key":"CIT0074","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1530\/rep.1.00490","volume":"130","author":"Gaspar R","year":"2005","journal-title":"Reproduction"},{"key":"CIT0075","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1016\/j.ajog.2004.07.077","volume":"192","author":"Chanrachakul B","year":"2005","journal-title":"Am J Obstet Gynecol"}],"container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/14767050600949829","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,23]],"date-time":"2019-04-23T10:49:46Z","timestamp":1556016586000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.tandfonline.com\/doi\/full\/10.1080\/14767050600949829"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,1]]},"references-count":75,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2009,7,7]]},"published-print":{"date-parts":[[2006,1]]}},"alternative-id":["10.1080\/14767050600949829"],"URL":"https:\/\/doi.org\/10.1080\/14767050600949829","relation":{},"ISSN":["1476-7058","1476-4954"],"issn-type":[{"value":"1476-7058","type":"print"},{"value":"1476-4954","type":"electronic"}],"subject":[],"published":{"date-parts":[[2006,1]]}}}