This thesis describes new knowledge of FNAIT in preparation of a national wide screening program. It illustrates the prevalence of FNAIT among pregnant women and the risk of adverse outcome,... Show moreThis thesis describes new knowledge of FNAIT in preparation of a national wide screening program. It illustrates the prevalence of FNAIT among pregnant women and the risk of adverse outcome, outlines current management, evaluates risks of missing a diagnosis of FNAIT, studies the efficacy of a lower dose of immunoglobulins in preventing bleedingcomplications,shows the time of bleeding onset of fetal ICH during pregnancy and illustrates the longterm outcome of children with ICH. Show less