{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T17:23:37Z","timestamp":1786987417963,"version":"build-2736575974"},"reference-count":18,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[2015,2,1]],"date-time":"2015-02-01T00:00:00Z","timestamp":1422748800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["contraceptionjournal.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Contraception"],"published-print":{"date-parts":[[2015,2]]},"DOI":"10.1016\/j.contraception.2014.11.001","type":"journal-article","created":{"date-parts":[[2014,11,8]],"date-time":"2014-11-08T03:22:27Z","timestamp":1415416947000},"page":"97-104","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":81,"title":["Effect of body weight and BMI on the efficacy of levonorgestrel emergency contraception"],"prefix":"10.1016","volume":"91","author":[{"given":"Nathalie","family":"Kapp","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean Louis","family":"Abitbol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henri","family":"Math\u00e9","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno","family":"Scherrer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H\u00e9l\u00e8ne","family":"Guillard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin","family":"Gainer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andr\u00e9","family":"Ulmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.contraception.2014.11.001_bb0005","doi-asserted-by":"crossref","first-page":"428","DOI":"10.1016\/S0140-6736(98)05145-9","article-title":"WHO Task Force on Postovulatory Methods of Fertility Regulation. Randomised controlled trial of levonorgestrel versus Yuzpe regimen of combined oral contraceptives for emergency contraception","volume":"352","author":"World Health Organization","year":"1998","journal-title":"Lancet"},{"key":"10.1016\/j.contraception.2014.11.001_bb0010","doi-asserted-by":"crossref","first-page":"1803","DOI":"10.1016\/S0140-6736(02)11767-3","article-title":"Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicenter randomised trial","volume":"360","author":"Von Hertzen","year":"2002","journal-title":"Lancet"},{"issue":"5","key":"10.1016\/j.contraception.2014.11.001_bb0015","doi-asserted-by":"crossref","first-page":"486","DOI":"10.1016\/j.contraception.2011.03.006","article-title":"Contraceptive efficacy of emergency contraception with levonorgestrel given before or after ovulation","volume":"84","author":"Noe","year":"2011","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2014.11.001_bb0020","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/j.contraception.2011.02.009","article-title":"Can we identify women at risk of pregnancy despite using emergency contraception? Data from randomized trials of ulipristal acetate and levonorgestrel","volume":"84","author":"Glasier","year":"2011","journal-title":"Contraception"},{"issue":"5","key":"10.1016\/j.contraception.2014.11.001_bb0025","doi-asserted-by":"crossref","first-page":"1089","DOI":"10.1097\/01.AOG.0000239440.02284.45","article-title":"Progesterone receptor modulator for emergency contraception. A randomized controlled trial","volume":"108","author":"Creinin","year":"2006","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.contraception.2014.11.001_bb0030","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1016\/S0140-6736(10)60101-8","article-title":"Ulipristal acetate versus levonorgestrel for emergency contraception: a randomiser non-inferiority trial and meta-analysis","volume":"375","author":"Glasier","year":"2010","journal-title":"Lancet"},{"key":"10.1016\/j.contraception.2014.11.001_bb0035","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/S0010-7824(98)00042-0","article-title":"New estimates of the effectiveness of the Yuzpe regimen of emergency contraception","volume":"57","author":"Trussell","year":"1998","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2014.11.001_bb0040","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/S0010-7824(01)00191-3","article-title":"Likelihood of conception with a single act of intercourse: providing benchmark rates for assessment of post-coital contraceptives","volume":"63","author":"Wilcox","year":"2001","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2014.11.001_bb0045","series-title":"Proceedings of the statistical computing section","first-page":"45","article-title":"Additive splines in statistics","author":"Stone","year":"1986"},{"key":"10.1016\/j.contraception.2014.11.001_bb0050","first-page":"CD008452","article-title":"Hormonal contraceptive for contraception in overweight or obese women","author":"Lopez","year":"2013","journal-title":"Cochrane Database Syst Rev"},{"issue":"6","key":"10.1016\/j.contraception.2014.11.001_bb0055","doi-asserted-by":"crossref","first-page":"442","DOI":"10.1016\/j.contraception.2004.05.007","article-title":"Pituitary-ovarian function following the standard levonorgestrel emergency contraceptive dose or a single 0.75-mg dose given on the days preceding ovulation","volume":"70","author":"Croxatto","year":"2004","journal-title":"Contraception"},{"issue":"4","key":"10.1016\/j.contraception.2014.11.001_bb0060","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1016\/0010-7824(74)90041-9","article-title":"The hormonal and peripheral effects of d-norgestrel in postcoital contraception","volume":"10","author":"Kesseru","year":"1974","journal-title":"Contraception"},{"issue":"4","key":"10.1016\/j.contraception.2014.11.001_bb0065","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1016\/j.contraception.2010.06.004","article-title":"A randomized, double-blind, noninferiority study to compare two regimens of levonorgestrel for emergency contraception in Nigeria","volume":"82","author":"Dada","year":"2010","journal-title":"Contraception"},{"issue":"4","key":"10.1016\/j.contraception.2014.11.001_bb0070","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1016\/S0010-7824(02)00337-2","article-title":"Comparative evaluation of the effectiveness and safety of two regimens of levonorgestrel for emergency contraception in Nigerians","volume":"66","author":"Arowojolu","year":"2002","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2014.11.001_bb0075","doi-asserted-by":"crossref","first-page":"436","DOI":"10.2105\/AJPH.91.3.436","article-title":"Pregnancy complications and outcomes among overweight and obese nulliparous women","volume":"91","author":"Baeten","year":"2001","journal-title":"Am J Public Health"},{"key":"10.1016\/j.contraception.2014.11.001_bb0080","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1097\/01.AOG.0000107291.46159.00","article-title":"Maternal morbid obesity and the risk of adverse pregnancy outcome","volume":"103","author":"Cedergren","year":"2004","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.contraception.2014.11.001_bb0085","doi-asserted-by":"crossref","first-page":"1069","DOI":"10.1097\/AOG.0b013e3181baeacf","article-title":"Excessive gestational weight gain and postpartum weight retention among obese women","volume":"114","author":"Vesco","year":"2009","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.contraception.2014.11.001_bb0090","doi-asserted-by":"crossref","first-page":"1091","DOI":"10.1016\/j.ajog.2003.09.058","article-title":"Obesity, obstetric complications and cesarean delivery rate \u2014 a population-based screening study. FASTER Research Consortium","volume":"190","author":"Weiss","year":"2004","journal-title":"Am J Obstet Gynecol"}],"container-title":["Contraception"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010782414007501?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010782414007501?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,9,27]],"date-time":"2018-09-27T18:52:41Z","timestamp":1538074361000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0010782414007501"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,2]]},"references-count":18,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2015,2]]}},"alternative-id":["S0010782414007501"],"URL":"https:\/\/doi.org\/10.1016\/j.contraception.2014.11.001","relation":{},"ISSN":["0010-7824"],"issn-type":[{"value":"0010-7824","type":"print"}],"subject":[],"published":{"date-parts":[[2015,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Effect of body weight and BMI on the efficacy of levonorgestrel emergency contraception","name":"articletitle","label":"Article Title"},{"value":"Contraception","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.contraception.2014.11.001","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2015 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}