The association between haemoglobin levels in the first 20 weeks of pregnancy and pregnancy outcomes.
Deborah A RandallJillian A PattersonFelicity GallimoreJonathan M MorrisTherese M McGeeJane B Fordnull nullPublished in: PloS one (2019)
Women with both low and high Hb in the first 20 weeks of pregnancy had higher risks of adverse outcomes than those with normal Hb. Restoring Hb after 20 weeks did not improve most adverse outcome rates but did reduce risk of transfusion.