{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T20:39:28Z","timestamp":1773779968643,"version":"3.50.1"},"reference-count":13,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/501100003554","name":"Lundbeck Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003554","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100001605","name":"Epilepsy Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001605","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","epilepsybehavior.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Epilepsy & Behavior"],"published-print":{"date-parts":[[2021,7]]},"DOI":"10.1016\/j.yebeh.2021.108011","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T13:02:37Z","timestamp":1620219757000},"page":"108011","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"special_numbering":"C","title":["Differential risks of changes in seizure frequency with transitions between hormonal and non-hormonal contraception in women with epilepsy: A prospective cohort study"],"prefix":"10.1016","volume":"120","author":[{"given":"Andrew G.","family":"Herzog","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hannah B.","family":"Mandle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Devon B.","family":"MacEachern","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"2","key":"10.1016\/j.yebeh.2021.108011_b0005","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1016\/j.seizure.2007.11.014","article-title":"Catamenial epilepsy: definition, prevalence, pathophysiology and treatment","volume":"17","author":"Herzog","year":"2008","journal-title":"Seizure"},{"key":"10.1016\/j.yebeh.2021.108011_b0010","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.eplepsyres.2016.01.007","article-title":"Seizure facilitating activity of the oral contraceptive ethinyl estradiol","volume":"121","author":"Younus","year":"2016","journal-title":"Epilepsy Res"},{"issue":"4","key":"10.1016\/j.yebeh.2021.108011_b0015","doi-asserted-by":"crossref","first-page":"263","DOI":"10.2165\/00023210-200216040-00005","article-title":"Interactions between antiepileptic drugs and hormonal contraception","volume":"16","author":"Crawford","year":"2002","journal-title":"CNS Drugs"},{"issue":"2","key":"10.1016\/j.yebeh.2021.108011_b0020","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1586\/ecp.10.3","article-title":"Clinical pharmacokinetic interactions between antiepileptic drugs and hormonal contraceptives","volume":"3","author":"Reddy","year":"2010","journal-title":"Expert Rev Clin Pharmacol"},{"issue":"1","key":"10.1016\/j.yebeh.2021.108011_b0025","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1016\/j.contraception.2010.06.013","article-title":"The use of hormonal contraception among women taking anticonvulsant therapy","volume":"83","author":"Gaffield","year":"2011","journal-title":"Contraception"},{"key":"10.1016\/j.yebeh.2021.108011_b0030","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1016\/j.yebeh.2016.04.020","article-title":"Differential impact of contraceptive methods on seizures varies by antiepileptic drug category","volume":"60","author":"Herzog","year":"2016","journal-title":"Epilepsy Behav"},{"issue":"2","key":"10.1016\/j.yebeh.2021.108011_b0035","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1001\/jama.1986.03380020100031","article-title":"Use of oral contraceptives by women with epilepsy","volume":"256","author":"Mattson","year":"1986","journal-title":"JAMA"},{"issue":"12 suppl 4","key":"10.1016\/j.yebeh.2021.108011_b0040","first-page":"S56","article-title":"Optimizing therapy of seizures in women who use oral contraceptives","volume":"67","author":"Harden","year":"2006","journal-title":"Neurology"},{"issue":"4","key":"10.1016\/j.yebeh.2021.108011_b0045","doi-asserted-by":"crossref","first-page":"630","DOI":"10.1111\/epi.13320","article-title":"Contraceptive practices of women with epilepsy: Findings of the Epilepsy Birth Control Registry","volume":"57","author":"Herzog","year":"2016","journal-title":"Epilepsia"},{"issue":"24","key":"10.1016\/j.yebeh.2021.108011_b0050","doi-asserted-by":"crossref","first-page":"e2815","DOI":"10.1212\/WNL.0000000000007581","article-title":"Prevalence of highly effective contraception use by women with epilepsy","volume":"92","author":"Herzog","year":"2019","journal-title":"Neurology"},{"issue":"1\u20132","key":"10.1016\/j.yebeh.2021.108011_b0055","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1016\/S0920-1211(01)00305-9","article-title":"Lamotrigine plasma levels reduced by oral contraceptives","volume":"47","author":"Sabers","year":"2001","journal-title":"Epilepsy Res"},{"issue":"2","key":"10.1016\/j.yebeh.2021.108011_b0060","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/j.seizure.2007.11.012","article-title":"Pharmacokinetic interactions between contraceptives and antiepileptic drugs","volume":"17","author":"Sabers","year":"2008","journal-title":"Seizure"},{"issue":"10","key":"10.1016\/j.yebeh.2021.108011_b0065","doi-asserted-by":"crossref","first-page":"911","DOI":"10.1212\/01.wnl.0000344167.78102.f0","article-title":"Valproate and lamotrigine level variation with menstrual cycle phase and oral contraceptive use","volume":"72","author":"Herzog","year":"2009","journal-title":"Neurology"}],"container-title":["Epilepsy & Behavior"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1525505021002456?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1525505021002456?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T18:37:31Z","timestamp":1761503851000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1525505021002456"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7]]},"references-count":13,"alternative-id":["S1525505021002456"],"URL":"https:\/\/doi.org\/10.1016\/j.yebeh.2021.108011","relation":{},"ISSN":["1525-5050"],"issn-type":[{"value":"1525-5050","type":"print"}],"subject":[],"published":{"date-parts":[[2021,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Differential risks of changes in seizure frequency with transitions between hormonal and non-hormonal contraception in women with epilepsy: A prospective cohort study","name":"articletitle","label":"Article Title"},{"value":"Epilepsy & Behavior","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.yebeh.2021.108011","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}],"article-number":"108011"}}