{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T19:15:16Z","timestamp":1765480516336,"version":"3.48.0"},"reference-count":0,"publisher":"BMJ","issue":"5881","license":[{"start":{"date-parts":[[1973,9,22]],"date-time":"1973-09-22T00:00:00Z","timestamp":117504000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.bmj.com\/company\/legal-information\/terms-conditions\/legal-information\/tdm-licencepolicy"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br Med J"],"published-print":{"date-parts":[[1973,9,22]]},"abstract":"<jats:p>Study of 182 newborn babies has shown that among bottle-fed infants the mean plasma bilirubin concentration was slightly but significantly higher (P &lt;0\u00b701) in those whose mothers had previously used steroid contraceptives. A similar finding was not noted among breast-fed infants.<\/jats:p>\n                  <jats:p>A further 16 infants whose mothers had received progestogen therapy during their pregnancy had a mean plasma bilirubin concentration which was significantly higher than each of the four other groups of infants studied (P &lt;0\u00b701). Icterus occasionally reached clinically important levels in these babies.<\/jats:p>","DOI":"10.1136\/bmj.3.5881.605","type":"journal-article","created":{"date-parts":[[2009,4,8]],"date-time":"2009-04-08T15:21:07Z","timestamp":1239204067000},"page":"605-607","source":"Crossref","is-referenced-by-count":19,"title":["Effect on Neonatal Jaundice of Oestrogens and Progestogens Taken before and after Conception"],"prefix":"10.1136","volume":"3","author":[{"given":"J. B.","family":"McConnell","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. F. T.","family":"Glasgow","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"McNair","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1973,9,22]]},"container-title":["BMJ"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/data.bmj.org\/tdm\/10.1136\/bmj.3.5881.605","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bmj.3.5881.605","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T19:04:43Z","timestamp":1765479883000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.bmj.com\/lookup\/doi\/10.1136\/bmj.3.5881.605"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1973,9,22]]},"references-count":0,"journal-issue":{"issue":"5881","published-online":{"date-parts":[[1973,9,22]]},"published-print":{"date-parts":[[1973,9,22]]}},"alternative-id":["10.1136\/bmj.3.5881.605"],"URL":"https:\/\/doi.org\/10.1136\/bmj.3.5881.605","relation":{},"ISSN":["0007-1447","1468-5833"],"issn-type":[{"type":"print","value":"0007-1447"},{"type":"electronic","value":"1468-5833"}],"subject":[],"published":{"date-parts":[[1973,9,22]]}}}