FASLG and autoimmune polyendocrinopathy: Intriguingly, in the context of pregnancy, it is not solely a precipitating prothrombotic state; examination of conception products from aPL-positive and aPL-negative women with recurrent early miscarriage highlights a clear deficiency in the invasion of decidual endovascular trophoblasts in obstetric APS (OAPS) and indicates that placental infarction is not exclusively to APS [24].