PMID: 9539276Apr 16, 1998Paper

Vitamin D deficiency in pregnancy is not associated with obstructed labor. A study among Pakistani women in Karachi

Acta Obstetricia Et Gynecologica Scandinavica
L BrunvandE Haug

Abstract

Vitamin D deficiency is widespread among pregnant Pakistanis in Norway. It may cause osteomalacia with destruction of maternal pelvis, and thus be a risk factor for cephalopelvic disproportion. This study was performed to determine whether vitamin D deficiency is common among pregnant Pakistanis in Pakistan, and to test the hypothesis that vitamin D deficiency in nulliparous pregnant women is associated with mechanical dystocia. The study was carried out at the Civil Hospital, in a poor area of Karachi, and had a case-referent design. Thirty-seven nulliparous parturients with Cesarean section due to mechanical dystocia served as cases, and 80 nulliparous parturients with uncomplicated vaginal delivery were their referents. All blood samples were drawn before parturition. The mothers with obstructed labor were shorter (on average 150 vs. 155 cm, p= 0.0001) and lighter (on average 58 vs. 60.5 kg, p=0.005) than their referents. Seventy-one percent (83/117) of all the participants had marginal or low vitamin D status defined as serum level of calcidiol (25-OH vitamin D3) below 30 nmol/l. Vitamin D deficiency was, however, not more widespread among the mothers with obstructed labor (20/37 vs. 63/80). Furthermore, there were no signi...Continue Reading

Citations

Dec 22, 2007·The British Journal of Nutrition·Haakon E MeyerSampath U B Tennakoon
Apr 17, 2014·PloS One·Christine Rohr ThomsenIoanna Milidou
May 16, 2006·Journal of Endocrinological Investigation·E AinyF Azizi
Jun 12, 2009·Journal of Women's Health·Alinaghi KazemiNouraddin Mousavinasab
Feb 14, 2007·BMC Pregnancy and Childbirth·Zhila MaghbooliBagher Larijani
Nov 9, 2007·Postgraduate Medical Journal·A H ZargarZ A Shah
Dec 25, 2008·The Journal of Clinical Endocrinology and Metabolism·Anne MerewoodMichael F Holick
Nov 4, 2011·Reproductive Biology and Endocrinology : RB&E·Magdalena Grundmann, Frauke von Versen-Höynck
May 19, 2012·Nutrients·Theresa O SchollPeter Stein
Jun 13, 2015·Journal of Endocrinological Investigation·S Triunfo, A Lanzone
Jul 7, 2012·Paediatric and Perinatal Epidemiology·Andrew Thorne-Lyman, Wafaie W Fawzi

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