自发性血小板减少性紫癜(ITP)是由抗血小板抗体引起的免疫性疾病,此抗体主要是IgG,它吸附于自身血小板表面后导致血小板在网状内皮系统中过早被破坏,育龄妇女易患ITP,ITP的病程似不受妊娠影响,但ITP对妊娠有不良影响。妊娠期发生ITP,自发性流产率为7～30％,产期死亡率达20％。主要是由于母体的抗血小板抗体经胎盘途径 Spontaneous thrombocytopenic purpura (ITP) is an immune disease caused by anti-platelet antibodies, which are predominantly IgG, which adsorbs onto the surface of their own platelets leading to premature destruction of platelets in the reticuloendothelial system and predisposition to women of childbearing age The duration of ITP and ITP seems to be unaffected by pregnancy, but ITP has an adverse effect on pregnancy. ITP occurs during pregnancy, spontaneous abortion rate of 7 to 30%, the maternal mortality rate of 20%. Mainly due to maternal anti-platelet antibodies through the placenta pathway