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Serum 25-hydroxyvitamin D levels throughout pregnancy: a longitudinal study in healthy and preeclamptic pregnant women.

Abstract：

BACKGROUND:Worldwide there is a high prevalence of 25-hydroxyvitamin D (25OHD) deficiency and has been associated with adverse outcomes during pregnancy. OBJECTIVE:This is a nested, case-control study in a longitudinal cohort to compare the serum 25OHD levels and other biomarkers throughout pregnancy in a group of 20 preeclamptic women and 61 healthy pregnant women. An additional group of 29 healthy non-pregnant women were also studied during the two phases of the menstrual cycle. RESULTS:Mean 25OHD levels in non-pregnant women were 31.9 ng/mL and 34.9 ng/mL during follicular and luteal phase, respectively (P < 0.01). Mean serum 25OHD levels in healthy pregnant women were 26.5, 30.1 and 31.9 ng/mL, at first, second and third trimester, respectively (P < 0.001). The first trimester levels of 25OHD were lower than those of healthy non-pregnant women (P < 0.001), showing a significant recovery at third trimester. In the group of healthy pregnant women, the 25OHD levels were 25.7 ng/mL and 27.2 ng/mL at 3 and 6 months postpartum, respectively; both values were lower than those observed in the non-pregnant women (P < 0.001). In preeclamptic women, 25OHD serum levels were similar to those of healthy pregnant women; nevertheless, they remained almost unchanged throughout pregnancy. CONCLUSION:There were no significant differences between healthy and preeclamptic pregnant women in terms of 25OHD levels throughout the pregnancy. Serum 25OHD levels in non-pregnant women were higher during luteal phase compared with follicular phase. The 25OHD levels of non-pregnant women tended to be higher than those of pregnant women.

journal_name

Endocr Connect

journal_title

Endocrine connections

authors

Agudelo-Zapata Y,Maldonado-Acosta LM,Sandoval-Alzate HF,Poveda NE,Garcés MF,Cortés-Vásquez JA,Linares-Vaca AF,Mancera-Rodríguez CA,Perea-Ariza SA,Ramírez-Iriarte KY,Castro-Saldarriaga CA,Arteaga-Diaz JM,Franco-Vega R,Ángel-Müll

doi

10.1530/EC-18-0055

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

698-707

issue

5

issn

2049-3614

pii

EC-18-0055

journal_volume

7

pub_type

杂志文章

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