The team, including researchers from the Children’s Hospital of Fudan University in China, used the Shanghai Preconception Cohort to study 3,032 couples who provided blood samples within 4 months before conception and 17,765 women who were tested at 4 months’ gestation or earlier.
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Higher vitamin B12 levels in parents before conception may lower risk of birth defect: Study
September 2, 2026The team, including researchers from the Children’s Hospital of Fudan University in China, used the Shanghai Preconception Cohort to study 3,032 couples who provided blood samples within 4 months before conception and 17,765 women who were tested at 4 months’ gestation or earlier.