{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T18:54:41Z","timestamp":1792695281504,"version":"4.5.0"},"reference-count":28,"publisher":"S. Karger AG","issue":"2","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ann Nutr Metab"],"published-print":{"date-parts":[[2013]]},"abstract":"<b><i>Aim:<\/i><\/b> To evaluate the vitamin B<sub>12<\/sub> status of South Indian women in early pregnancy and its relationship with sociodemographic, anthropometry and dietary intake. <b><i>Methods:<\/i><\/b> Cross-sectional study among 366 pregnant urban South Indian women \u226414 weeks of gestation with outcome variables defined as low vitamin B<sub>12<\/sub> blood concentration (<150 pmol\/l) and impaired vitamin B<sub>12<\/sub> status [low vitamin B<sub>12<\/sub> plus elevated methylmalonic acid (MMA) >0.26 \u00b5mol\/l)]. <b><i>Results:<\/i><\/b> Low plasma vitamin B<sub>12<\/sub> concentration was observed in 51.1% of the women, while 42.4% had impaired B<sub>12<\/sub> status. Elevated MMA, elevated homocysteine (>10 \u00b5mol\/l) and low erythrocyte folate (<283 nmol\/l) were observed among 75.8, 43.3 and 22.2% of the women, respectively. The median (25th, 75th percentile) dietary intake of vitamin B<sub>12<\/sub> was 1.25 (0.86, 1.96) \u00b5g\/day. Lower maternal body weight was associated with higher vitamin B<sub>12<\/sub> concentration [prevalence ratios (PR) (95% CI) 0.57 (0.39, 0.84)]. The predictors of impaired vitamin B<sub>12<\/sub> status were no consumption of yoghurt [PR (95% CI) 1.63 (1.03, 2.58)] or fish [PR (95% CI) 1.32 (1.01, 1.71)] and primiparity [PR (95% CI) 1.41 (1.05, 1.90)]. <b><i>Conclusion:<\/i><\/b> A high prevalence of vitamin B<sub>12<\/sub> deficiency in early pregnancy among urban South Indian women was related to primiparity and to a low consumption of yoghurt and fish.<\/jats:p>","DOI":"10.1159\/000345589","type":"journal-article","created":{"date-parts":[[2013,1,22]],"date-time":"2013-01-22T16:46:51Z","timestamp":1358873211000},"page":"113-122","source":"Crossref","is-referenced-by-count":36,"title":["Vitamin B<sub>12<\/sub> Intake and Status in Early Pregnancy among Urban South Indian Women"],"prefix":"10.1159","volume":"62","author":[{"given":"Tinu Mary","family":"Samuel","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Duggan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tinku","family":"Thomas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald","family":"Bosch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramya","family":"Rajendran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suvi M.","family":"Virtanen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krishnamachari","family":"Srinivasan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anura V.","family":"Kurpad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"127","published-online":{"date-parts":[[2013,1,22]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1146%2Fannurev.nutr.27.061406.093705"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1097%2F01.ede.0000257063.77411.e9"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1542%2Fpeds.2008-1173"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.3945%2Fajcn.111.016212"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1038%2Fsj.ejcn.1602383"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1515%2FCCLM.2008.247"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016%2FS0301-2115%2802%2900100-8"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.3945%2Fajcn.2008.26947A"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.3945%2Fjn.109.117424"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1038%2Fsj.ejcn.1602297"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1373%2Fclinchem.2003.021634"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1515%2FCCLM.2003.227"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1046%2Fj.1365-2141.1996.5241067.x"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1038%2Fsj.ejcn.1601236"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1038%2Fsj.ejcn.1602212"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1111%2Fj.0902-4441.2006.t01-1-EJH2550.x"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.3945%2Fjn.109.118075"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1016%2F0028-2243%2895%2902150-Q"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016%2FS0002-9378%2899%2970269-3"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1079%2FBJN2000209"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1007%2Fs00125-007-0793-y"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1038%2F283781a0"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.3945%2Fajcn.2008.26598"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.3181%2F0703-MR-67"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1080%2F09637480600968735"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1111%2Fj.1651-2227.1992.tb12074.x"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1002%2Fjnr.23020"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1111%2Fj.1467-3010.2011.01890.x"}],"container-title":["Annals of Nutrition and Metabolism"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/345589","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/345589","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T18:37:26Z","timestamp":1745433446000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000345589"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013]]},"references-count":28,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2013,3,1]]},"published-print":{"date-parts":[[2013,3,13]]}},"URL":"https:\/\/doi.org\/10.1159\/000345589","archive":["Portico"],"relation":{},"ISSN":["0250-6807","1421-9697"],"issn-type":[{"value":"0250-6807","type":"print"},{"value":"1421-9697","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013]]}}}