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ORIGINAL ARTICLE Table of Contents   
Year : 2016  |  Volume : 41  |  Issue : 3  |  Page : 223-227
Dietary calcium intake, serum calcium level, and their association with preeclampsia in rural North India

Centre for Community Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi, India

Correspondence Address:
Prof. Shashi Kant
Room No. 11, Centre for Community Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-0218.183591

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Background: Preeclampsia in pregnancy has been shown to be associated with low serum calcium level. Though the evidence is abundant, it is equivocal. Objectives: The study aimed to estimate the dietary calcium intake and serum calcium status among pregnant women, and to document the association of the dietary calcium intake and serum calcium status with incidence of preeclampsia in the 3rd trimester of pregnancy. Materials and Methods: A community-based cross-sectional study was conducted in the Health and Demographic Surveillance System (HDSS) site, Ballabgarh, Haryana, India. All pregnant women between 28 weeks and 36 weeks of gestation were interviewed. A semi-structured interview schedule and a 24-h dietary recall questionnaire were administered to assess the dietary calcium intake. AutoAnalyser (Biolis 24i) was used for measuring serum calcium. Results: We enrolled 217 pregnant women. The mean [standard deviation (SD)] dietary calcium intake was 858 (377) mg/day. The mean (SD) serum calcium level was 9.6 mg/dL (0.56). Incidence of preeclampsia was 13.4%. Preeclampsia was not associated with hypocalcemia [odds ratio (OR) = 1.2 95% confidence interval (CI); 0.27-3.98]. Conclusion: The majority of pregnant women had inadequate dietary calcium intake. The prevalence of hypocalcemia was low. Low serum calcium level was not associated with preeclampsia. Calcium supplementation may not reduce preeclampsia in this population.

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