This case-control study aims to investigate the association between B vitamins and gestational hypertension or preeclampsia.
In clinical practice, women diagnosed with gestational hypertension or preeclampsia will be asked to participate this study to fill a questionnaire reporting their basic information. Meanwhile, women with matched age and gestation week and without any kinds of hypertensive disorders will also be invited for this study. Participants' blood samples will be analyzed for B vitamin levels at the end of the study.
Study Type
OBSERVATIONAL
No intervention
Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine
Hangzhou, Zhejiang, China
gestational hypertension
Gestational hypertension is diagnosed when blood pressure readings are higher than 140/90 mm Hg in a woman who had normal blood pressure prior to 20 weeks and has no proteinuria (excess protein in the urine).
Time frame: seven days after delivery
preeclampsia
Gestational hypertension is diagnosed when blood pressure readings are higher than 140/90 mm Hg in a woman who had normal blood pressure prior to 20 weeks and has positive proteinuria (excess protein in the urine).
Time frame: seven days after delivery
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