Polymorphism in killer cell immunoglobulin-like receptors and human leukocyte antigen-c and predisposition to preeclampsia in Ethiopian pregnant women population.

•Ethiopians share similar maternal genetic risk for preeclampsia with East Africans.•Ethiopians share similar maternal genetic protection from preeclampsia with Europeans.•Lack of association between fetal HLA-C polymorphism and preeclampsia.