Prospective cohort study finds a U-shaped link between hemoglobin levels and stillbirth risk, suggesting clinical vigilance is crucial.
Considering the U-shaped association between Hb/Hct levels and stillbirth, clinical vigilance is necessary at both low- and high-extremes of Hb/Hct and physiological haemodilution metrics in mid-to-late pregnancy for improved pregnancy outcomes.
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Li et al. (2026) studied this question.
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