控制不好的妊娠期糖尿病与先兆子痫，羊水过多，巨大儿，产伤，手术分娩，和新生儿低糖血症的发生率升高有关。

Poorly controlled gestational diabetes is associated with an increase in the incidence of preeclampsia, polyhydramnios, fetal macrosomia, birth trauma, operative delivery, and neonatal hypoglycemia.

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结论：胎盘血管瘤可引起早产、羊水过多、新生儿窒息等并发症；

Conclusion:Placental chorioangioma can induce several complications such as premature labor, polyhydramnios and neonatal asphyxia.

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