Vitamin D and its relation with ionic calcium, parathyroid hormone, maternal and neonatal characteristics in pregnancy after roux-en-Y gastric bypass

Archives of Gynecology and Obstetrics
Marina MedeirosAndréa Ramalho

Abstract

The objective of this study was to evaluate vitamin D nutritional status and its relation with ionic calcium, parathyroid hormone (PTH), maternal anthropometry and perinatal outcomes in pregnant women who previously underwent Roux-en-Y gastric bypass (RYGB) surgery. In a clinic specialized in obesity control located in the city of Rio de Janeiro (Brazil), the following information were collected for adult women who underwent RYGB before pregnancy: serum concentrations of vitamin D [25(OH)D], calcium and PTH per gestational trimester and data on maternal anthropometry, gestational intercurrences and perinatal outcomes. The present study included 46 post-RYGB pregnant women. The prevalence of pregnant women with deficiency (≤20 ng/mL) or insufficiency (≥21 and 29 ng/mL) of vitamin D was above 70% in all trimesters. The prevalence of calcium deficiency was 15.2% in the first and in the second trimesters and 20% in the third trimester, while the prevalence of excess PTH was 19.6, 30.4 and 32.6% in the first, the second and the third trimesters, respectively. In the second and the third trimesters, a significant difference was observed between concentrations of 25(OH)D, and a negative correlation was observed between concentrations ...Continue Reading

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Citations

Jul 6, 2018·Journal of Obesity·Jürgen HarreiterMichael Krebs
Aug 14, 2021·Human Reproduction Update·Katinka M SnoekSam Schoenmakers
Dec 9, 2021·Wiener klinische Wochenschrift·Dragan D MicicSnezana P Polovina

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