求翻译：流产时的病理变化多数是胚胎及胎儿先死亡，随后发生底蜕膜出血或胎盘后出血形成血肿，造成妊娠物与子宫剥离，犹如异物引起宫缩而被排出。有时底蜕膜海绵层出血坏死或有血栓形成也会促使胎儿死亡。是什么意思？

Abortion most of the pathological changes of the first embryonic and fetal death, end of subsequent bleeding after the placenta decidual bleeding or hematoma formation, resulting in pregnancy and uterine strip, like a foreign body causing uterine contractions and was discharged. Sometimes at the end

When abortion is the most pathological changes embryos and fetuses died first, and the subsequent analysis and membrane bleeding or hematoma formation, causing bleeding placenta after pregnancy property as if it were fastened with uterine ablation, deflation caused Palace and was discharged. Sometim

Time the miscarriage pathological change most is the embryo and the embryo died first, after afterwards has the bottom decidua hemorrhage or the placenta bleeds forms the haematoma, creates the pregnancy and the womb peeling, the like foreign matter causes the palace to shrink is discharged.Sometime

Pathological changes mostly at the abortion of embryos and fetal death, end of the subsequent formation of decidual bleeding or bleeding in placenta hematoma, resulting in pregnancy and uterine split as if foreign bodies caused by uterine contractions and was discharged. Sometimes decidua sponge lay

Pathological changes mostly at the abortion of embryos and fetal death, end of the subsequent formation of decidual bleeding or bleeding in placenta hematoma, resulting in pregnancy and uterine split as if foreign bodies caused by uterine contractions and was discharged. Sometimes decidua sponge lay