Iron deficiency anemia during pregnancy, which may lead to adverse pregnancy outcomes, was a serious health problem in China. Various iron supplements used in different regions of China, however, the effects have not been well investigated. The objective of this study is to investigate the diagnosis, treatment and prognosis of iron deficiency and iron deficiency anemia in Chinese pregnant women.
This is a nationwide multicenter prospective cohort study conducted in seven hospitals in China to investigate the diagnosis, treatment and prognosis of iron deficiency and iron deficiency anemia in Chinese pregnant women. This study will enroll about 6000-7000 pregnant women, who established a health record in the seven hospitals. Demographic characteristics, laboratory tests, behavior habits during pregnancy, mental status, and pregnancy outcomes will been collected. All information will collect by a pregnant women self-reported questionnaire and the electronic medical record system in hospitals at three timing points: 6-15 gestational weeks, 30-34 gestational weeks and one week after delivery.
Study Type
OBSERVATIONAL
Enrollment
5,551
Iron deficiency anemia exists in Chinese pregnant women during pregnancy
Peking University People's Hospital
Beijing, Beijing Municipality, China
Chongqing Health center for women and Children
Chongqing, Chongqing Municipality, China
Xiamen Maternal and Child Care Hospital
Xiamen, Fujian, China
Hubei Maternal and Child Care Hospital
Wuhan, Hubei, China
adverse maternal outcomes
Including iron deficiency anemia rate, pregnancy hypertension syndrome rate, gestational diabetes mellitus rate, cesarean section rate, and other adverse maternal outcomes rate. The definition of adverse maternal outcome was according to International Glossary on Infertility and Fertility Care (2017), and the rate of adverse maternal outcome was calculated by the number of adverse maternal outcome divided by the total number of pregnant women.
Time frame: 40 weeks
adverse neonatal outcomes
Including miscarriage rate, premature birth rate, birth defect rate, low birth weight rate, and other adverse neonatal outcomes. The definitions of adverse neonatal outcomes were according to International Glossary on Infertility and Fertility Care (2017), and the rate of adverse neonatal outcomes were calculated by the number of advers neonatal outcomes divided by the total number of pregnancy or birth.
Time frame: 40 weeks
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Yanan University Affiliated Hospital
Yanan, Shanxi, China
The West China Second University Hospital
Chengdu, Sichuan, China
Women'S Hospital School of Medicine Zhejiang University
Hangzhou, Zhejiang, China