{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T06:38:48Z","timestamp":1768891128731,"version":"3.49.0"},"reference-count":22,"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"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Steroid Biochemistry and Molecular Biology"],"published-print":{"date-parts":[[2021,7]]},"DOI":"10.1016\/j.jsbmb.2021.105879","type":"journal-article","created":{"date-parts":[[2021,3,20]],"date-time":"2021-03-20T18:23:59Z","timestamp":1616264639000},"page":"105879","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":8,"special_numbering":"C","title":["Effect of oral contraceptives on total and bioavailable 25-hydroxyvitamin D"],"prefix":"10.1016","volume":"211","author":[{"given":"Frank Z.","family":"Stanczyk","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5367-762X","authenticated-orcid":false,"given":"Intira","family":"Sriprasert","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rachel","family":"Danis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raj","family":"Pandian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Harpreet","family":"Matharu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicole","family":"Bender","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melissa","family":"Natavio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.jsbmb.2021.105879_bib0005","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1080\/07315724.1998.10718760","article-title":"The association of oral contraceptive use with plasma 25-hydroxyvitamin D levels","volume":"17","author":"Harris","year":"1998","journal-title":"J. Am. Coll. Nutr."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0010","doi-asserted-by":"crossref","first-page":"3470","DOI":"10.3390\/nu5093470","article-title":"Increased plasma concentrations of vitamin D metabolites and vitamin D binding protein in women using hormonal contraceptives: a cross-sectional study","volume":"5","author":"M\u00f8ller","year":"2013","journal-title":"Nutrients"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0015","doi-asserted-by":"crossref","first-page":"3370","DOI":"10.1210\/jc.2016-1658","article-title":"Use of estrogen-containing contraception is associated with increased concentrations of 25-hydroxy vitamin D","volume":"101","author":"Harmon","year":"2016","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0020","doi-asserted-by":"crossref","first-page":"2385","DOI":"10.1210\/jc.2018-00336","article-title":"Hormonal contraceptive use is associated with higher total but unaltered free 25-hydroxyvitamin D serum concentrations","volume":"103","author":"Pilz","year":"2018","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0025","doi-asserted-by":"crossref","first-page":"317","DOI":"10.3389\/fendo.2019.00317","article-title":"Vitamin D binding protein, total and free vitamin D Levels in different physiological and pathophysiological conditions","volume":"10","author":"Bikle","year":"2019","journal-title":"Front. Endocrinol. (Lausanne)"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0030","doi-asserted-by":"crossref","first-page":"1609","DOI":"10.1002\/jbmr.387","article-title":"Vitamin D-binding protein modifies the vitamin D-bone mineral density relationship","volume":"26","author":"Powe","year":"2011","journal-title":"J. Bone Miner. Res."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0035","doi-asserted-by":"crossref","first-page":"1991","DOI":"10.1056\/NEJMoa1306357","article-title":"Vitamin D binding protein and vitamin D status of black Americans and white Americans","volume":"369","author":"Powe","year":"2013","journal-title":"New Engl. J. Med."},{"issue":"October 10","key":"10.1016\/j.jsbmb.2021.105879_bib0040","doi-asserted-by":"crossref","first-page":"3666","DOI":"10.1210\/jcem.84.10.6079","article-title":"A critical evaluation of simple methods for the estimation of free testosterone in serum","volume":"84","author":"Vermeulen","year":"1999","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0045","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1038\/ki.2012.19","article-title":"Bioavailable vitamin D is more tightly linked to mineral metabolism than total vitamin D in incident hemodialysis patients","volume":"82","author":"Bhan","year":"2012","journal-title":"Kidney Int."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0050","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0114689","article-title":"Associations between vascular health indices and serum total, free and bioavailable 25-hydroxyvitamin D in adolescents","volume":"9","author":"Ashraf","year":"2014","journal-title":"PLoS One"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0055","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1016\/j.contraception.2019.06.002","article-title":"Effects of ritonavir-boosted protease inhibitors on combined oral contraceptive pharmacokinetics and pharmacodynamics in HIV-positive women","volume":"100","author":"Barcellos","year":"2019","journal-title":"Contraception"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0060","doi-asserted-by":"crossref","first-page":"306","DOI":"10.1016\/j.contraception.2019.01.003","article-title":"Pharmacokinetics of the 1.5 mg levonorgestrel emergency contraceptive in women with normal, obese and extremely obese body mass index","volume":"99","author":"Natavio","year":"2019","journal-title":"Contraception"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0065","doi-asserted-by":"crossref","first-page":"910","DOI":"10.3389\/fendo.2019.00910","article-title":"Vitamin D binding protein: a historic overview","volume":"10","author":"Bouillon","year":"2020","journal-title":"Front. Endocrinol. (Lausanne)"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0070","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1007\/BF00290950","article-title":"Ethnic variation in vitamin D-binding protein (GC): a review of isoelectric focusing studies in human populations","volume":"72","author":"Kamboh","year":"1986","journal-title":"Hum. Genet."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0075","doi-asserted-by":"crossref","first-page":"1480","DOI":"10.1056\/NEJMc1502602","article-title":"Vitamin D-binding protein concentrations quantified by mass spectrometry","volume":"373","author":"Hoofnagle","year":"2015","journal-title":"N. Engl. J. Med."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0080","doi-asserted-by":"crossref","first-page":"12","DOI":"10.3390\/nu9010012","article-title":"Association between serum 25-hydroxy-vitamin D and aggressive prostate cancer in African American men","volume":"9","author":"Nelson","year":"2016","journal-title":"Nutrients"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0085","doi-asserted-by":"crossref","first-page":"1034","DOI":"10.1258\/ebm.2010.010014","article-title":"Vitamin D nutritional policy needs a vision for the future","volume":"235","author":"Norman","year":"2010","journal-title":"Exp. Biol. Med. (Maywood)"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0090","series-title":"Consensus Statement on Vitamin D and Sun Exposure in New Zealand","article-title":"Ministry of Health and Cancer Society of New Zealand","year":"2012"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0095","series-title":"Dietary Reference Intakes for Calcium and Vitamin D","author":"Institute of Medicine","year":"2011"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0100","series-title":"American Academy of Dermatology and AAD Association","year":"2010"},{"key":"10.1016\/j.jsbmb.2021.105879_bib0105","doi-asserted-by":"crossref","first-page":"1911","DOI":"10.1210\/jc.2011-0385","article-title":"Endocrine society. Evaluation, treatment, and prevention of vitamin D deficiency: an endocrine society clinical practice guideline","volume":"96","author":"Holick","year":"2011","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"10.1016\/j.jsbmb.2021.105879_bib0110","doi-asserted-by":"crossref","first-page":"315","DOI":"10.3945\/ajcn.116.132589","article-title":"Effect of vitamin D replacement on indexes of insulin resistance in overweight elderly individuals: a randomized controlled trial","volume":"104","author":"El-Hajj Fuleihan","year":"2016","journal-title":"Am. J. Clin. Nutr."}],"container-title":["The Journal of Steroid Biochemistry and Molecular Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0960076021000728?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0960076021000728?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T00:07:37Z","timestamp":1760746057000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0960076021000728"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7]]},"references-count":22,"alternative-id":["S0960076021000728"],"URL":"https:\/\/doi.org\/10.1016\/j.jsbmb.2021.105879","relation":{},"ISSN":["0960-0760"],"issn-type":[{"value":"0960-0760","type":"print"}],"subject":[],"published":{"date-parts":[[2021,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Effect of oral contraceptives on total and bioavailable 25-hydroxyvitamin D","name":"articletitle","label":"Article Title"},{"value":"The Journal of Steroid Biochemistry and Molecular Biology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jsbmb.2021.105879","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}],"article-number":"105879"}}