Maternal Haemoglobin and Haematocrit During Pregnancy and Stillbirth Risk: A Prospective, Population‐Based Birth Cohort Study

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.