{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T16:33:29Z","timestamp":1790267609018,"version":"4.1.0"},"reference-count":29,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2012,12,1]],"date-time":"2012-12-01T00:00:00Z","timestamp":1354320000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Contraception"],"published-print":{"date-parts":[[2012,12]]},"DOI":"10.1016\/j.contraception.2012.05.004","type":"journal-article","created":{"date-parts":[[2012,6,6]],"date-time":"2012-06-06T18:27:20Z","timestamp":1339007240000},"page":"710-715","source":"Crossref","is-referenced-by-count":10,"title":["Comparison of cervical mucus of 24\/4 vs. 21\/7 combined oral contraceptives"],"prefix":"10.1016","volume":"86","author":[{"given":"Rachel","family":"Steward","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Melamed","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Granat","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"Daniel R.","family":"Mishell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.contraception.2012.05.004_bb0005","doi-asserted-by":"crossref","first-page":"S53","DOI":"10.1016\/S0002-9378(99)70364-9","article-title":"The effects on ovarian activity of a monophasic oral contraceptive with 100 \u03bcg levonorgestrel and 20 \u03bcg ethinyl estradiol","volume":"181","author":"Coney","year":"1999","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.contraception.2012.05.004_bb0010","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1016\/S0015-0282(03)00556-9","article-title":"Ortho Evra\u2122\/Evra\u2122 versus oral contraceptives: follicular development and ovulation in normal cycles and after an intentional dosing error. Ortho Evra\u2122\/Evra\u2122 008 Study Group","volume":"80","author":"Pierson","year":"2003","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0015","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/0010-7824(96)00137-0","article-title":"Shorter pill-free interval in combined oral contraceptives decreases follicular development","volume":"54","author":"Spona","year":"1996","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0020","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1016\/0010-7824(95)00228-6","article-title":"Ovarian activity suppression by two different low-dose triphasic oral contraceptives","volume":"52","author":"van der Does","year":"1995","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0025","first-page":"29","article-title":"Ovulation and follicular development associated with three low-dose oral contraceptives: a randomized controlled trial","volume":"83","author":"Grimes","year":"1994","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.contraception.2012.05.004_bb0030","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.1016\/0002-9378(89)90655-8","article-title":"Longitudinal ultrasonographic study of the ovarian suppressive activity of a low-dose triphasic oral contraceptive during correct and incorrect pill intake","volume":"161","author":"Hamilton","year":"1989","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.contraception.2012.05.004_bb0035","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1016\/0010-7824(95)00096-S","article-title":"Ovarian function during low-dose oral contraceptive use","volume":"51","author":"Egarter","year":"1995","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0040","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1016\/j.contraception.2008.02.019","article-title":"Suppression of ovarian activity with a drospirenone-containing oral contraceptive in a 24\/4 regimen","volume":"78","author":"Klipping","year":"2008","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0045","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1016\/j.contraception.2011.01.021","article-title":"Contraceptive failure in the United States","volume":"81","author":"Trussell","year":"2011","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0050","doi-asserted-by":"crossref","first-page":"1037","DOI":"10.1093\/humrep\/deg209","article-title":"Accuracy of sperm\u2013cervical mucus penetration tests in evaluating sperm motility in semen: a systematic quantitative review","volume":"18","author":"Ola","year":"2003","journal-title":"Hum Reprod"},{"issue":"3 Pt 1","key":"10.1016\/j.contraception.2012.05.004_bb0055","doi-asserted-by":"crossref","first-page":"C888","DOI":"10.1152\/ajpcell.1998.275.3.C888","article-title":"Estrogen increases the permeability of the cultured human cervical epithelium by modulating cell deformability","volume":"275","author":"Gorodeski","year":"1998","journal-title":"Am J Physiol"},{"key":"10.1016\/j.contraception.2012.05.004_bb0060","first-page":"247","article-title":"The use of pelvic sonography and serum estradiol and progesterone assays in diagnosis and treatment of cervical factor","volume":"9","author":"Check","year":"1986","journal-title":"Infertility"},{"key":"10.1016\/j.contraception.2012.05.004_bb0065","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1016\/S0015-0282(16)38342-X","article-title":"Effects of microdose norgestrel on endogenous gonadotropic and steroid hormones, cervical mucus properties, vaginal cytology, and endometrium","volume":"22","author":"Moghissi","year":"1971","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0070","doi-asserted-by":"crossref","first-page":"213","DOI":"10.1016\/S0010-7824(96)00191-6","article-title":"Temporal relationship between Uniplant insertion and changes in cervical mucus","volume":"54","author":"Barbosa","year":"1996","journal-title":"Contracpetion"},{"key":"10.1016\/j.contraception.2012.05.004_bb0075","doi-asserted-by":"crossref","first-page":"252","DOI":"10.1016\/S0015-0282(97)00477-9","article-title":"Timing of onset of contraceptive effectiveness in Depo-Provera users: part I. Changes in cervical mucus","volume":"69","author":"Petta","year":"1998","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0080","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1016\/j.contraception.2010.06.006","article-title":"Effects of the levonorgestrel-releasing intrauterine system on cervical mucus quality and sperm penetrability","volume":"82","author":"Lewis","year":"2010","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0085","doi-asserted-by":"crossref","first-page":"892","DOI":"10.1016\/S0015-0282(16)42008-X","article-title":"Studies on low-dose oral contraceptives: cervical mucus and plasma hormone changes in relation to circulating D-norgest and 17alpha ethynyl-estradiol concentrations","volume":"27","author":"Elstein","year":"1976","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0090","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1016\/S0010-7824(97)00070-X","article-title":"Rossmanith, Steffens D, Schramm G. A comparative randomized trial on the impact of two low-dose oral contraceptives on ovarian activity, cervical permeability, and endometrial receptivity","volume":"56","author":"Winfried","year":"1997","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0095","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1016\/j.contraception.2006.08.004","article-title":"Efficacy and safety of a new 24-day oral contraceptive regimen of norethindrone acetate 1 mg\/ethinyl estradiol 20 mcg (Loestrin 24 Fe)","volume":"75","author":"Nakajima","year":"2007","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0100","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1016\/S0029-7844(99)00524-4","article-title":"Hormone withdrawal symptoms in oral contraceptive users","volume":"95","author":"Sulak","year":"2000","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.contraception.2012.05.004_bb0105","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1016\/j.contraception.2004.12.012","article-title":"Rationale for decreasing the number of days of the hormone-free interval with use of low-dose oral contraceptive formulations","volume":"71","author":"Mishell","year":"2005","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0110","first-page":"33","article-title":"Effectiveness of oral contraceptive pills in a large U.S. cohort comparing progestogen and regimen","volume":"117","author":"Dinger","year":"2011","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0115","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/S0010-7824(02)00351-7","article-title":"Quick start: novel oral contraceptive initiation method","volume":"66","author":"Westhoff","year":"2002","journal-title":"Contraception"},{"key":"10.1016\/j.contraception.2012.05.004_bb0120","series-title":"WHO laboratory manual for the examination of human semen and sperm\u2013cervical mucus interaction","author":"World Health Organization","year":"1999"},{"key":"10.1016\/j.contraception.2012.05.004_bb0125","first-page":"209","article-title":"A simple sperm penetration test","volume":"10","author":"Kremer","year":"1965","journal-title":"Int J Fertil"},{"key":"10.1016\/j.contraception.2012.05.004_bb0130","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/S0015-0282(16)60497-1","article-title":"Prognostic value of in vitro sperm penetration into hormonally standardized human cervical mucus","volume":"51","author":"Eggert-Kruse","year":"1989","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0135","doi-asserted-by":"crossref","first-page":"1032","DOI":"10.1016\/S0015-0282(16)53171-9","article-title":"Clinical significance of crossed in vitro sperm\u2013cervical mucus penetration test in infertility investigation","volume":"52","author":"Eggert-Kruse","year":"1989","journal-title":"Fertil Steril"},{"key":"10.1016\/j.contraception.2012.05.004_bb0140","doi-asserted-by":"crossref","first-page":"1388","DOI":"10.1056\/NEJMoa003005","article-title":"Sperm morphology, motility, and concentration in fertile and infertile men","volume":"345","author":"Guzick","year":"2001","journal-title":"N Engl J Med"},{"key":"10.1016\/j.contraception.2012.05.004_bb0145","series-title":"Cross-over trials in clinical research","author":"Senn","year":"2002"}],"container-title":["Contraception"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010782412002491?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010782412002491?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,6,29]],"date-time":"2019-06-29T09:10:19Z","timestamp":1561799419000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0010782412002491"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,12]]},"references-count":29,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2012,12]]}},"alternative-id":["S0010782412002491"],"URL":"https:\/\/doi.org\/10.1016\/j.contraception.2012.05.004","relation":{"has-review":[{"id-type":"doi","id":"10.3410\/f.717950214.793455467","asserted-by":"object"}]},"ISSN":["0010-7824"],"issn-type":[{"value":"0010-7824","type":"print"}],"subject":[],"published":{"date-parts":[[2012,12]]}}}