Objective: To investigate the expression and significance of the human leucocyte antigen G (HLA-G) protein in the villus of early pregnancy, hydatidiform mole and invasive hydatidiform mole tissue.

• 目的：探讨人类白细胞抗原G(HLA-G)蛋白在早孕绒毛和葡萄胎中的表达及意义。