The association between third trimester multivitamin/mineral supplements and gestational length in uncomplicated pregnancies

Women and Birth : Journal of the Australian College of Midwives
J M McAlpineJessica Vanderlelie

Abstract

Widespread use of maternal micronutrient supplements have been correlated to gestational length and outcome in women predisposed to pre-eclampsia and preterm birth. However, research is yet to be conducted examining the influence of micronutrient supplements on outcomes at term in uncomplicated pregnancies. To analyse the relationship between third trimester micronutrient supplementation and gestation length at birth, demographics and maternal birthing outcomes in well women at term in a South East Queensland representative population. This research retrospectively analysed existing data pertaining to 427 uncomplicated, pregnancies birthing at the Gold Coast and Logan Hospitals using information gathered through the Environments for Healthy Living Study and Queensland perinatal data collection. Data were analysed using SPSS v20 by Chi square, ANOVA and regression analysis. Women in the third trimester taking individual zinc, folic acid or iron supplements in combination with a multivitamin were twice as likely to birth beyond 41 completed weeks (AOR 2.054, 95% CI 1.310-7.383, p=0.038) then those who did not take any supplement when controlled for established confounders. Non supplement users were found to experience a lower rat...Continue Reading

References

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May 22, 2013·BMC Pregnancy and Childbirth·Susan J de JerseyLynne A Daniels

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