Recent studies have found, in both developed and developing countries, there is still a considerable number of pregnant women in iodine deficiency status.Our overall aim is to monitor iodine status of pregnant women in China, and to examine the correlation between maternal urine iodine concentration (UIC) and newborn physical development level.
Background: Recent studies have found, in both developed and developing countries, there is still a considerable number of pregnant women in iodine deficiency status. Our overall aim is to monitor iodine status of pregnant women in China, and to examine the correlation between maternal urine iodine concentration (UIC) and newborn physical development level. Design: prospective cohort study Methods: During August - December 2015,250 participants(28-32 weeks' gestation) were selected to participate in the study.The investigators collect the spot urine samples(n=750) once every two weeks. Setting: Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine. Participants: 150 normal pregnant women and 100 pregnant women with gestational diabetes (28-32 weeks' gestation) and their newborns were selected to participate the study.
Study Type
OBSERVATIONAL
Enrollment
250
Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medcine
Shanghai, Shanghai Municipality, China
Xinhua Hospital
Shanghai, Shanghai Municipality, China
urinary iodine (UI) concentrations
Time frame: up to three months
thyroid stimulating hormone level of newborns
Time frame: up to three months
daily iodine intake of pregnant women
Daily iodine intake was estimated using the total diet study approach
Time frame: up to three months
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