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孕期子宫腔内壁为一层薄膜所覆盖,此膜称羊膜它形成一个完整的囊腔,腔内充满羊水,胎儿即在其中成长发育。羊水量随孕期而与日俱增,至足月可达1000ml。任何时期超过2000ml,即为羊水过多。此病较常见,发生率为0.5%～1%。在存大多数情况下,羊水的增加是缓慢的,称为慢性羊水过多;极少数在数天内急剧增加,称急性羊水过多。千万不要小看此病,因为无论是慢性的或急性的,都可能潜藏着母子的重大疾病,危及母子的生命。常见的潜在疾病是胎儿畸形,占
Pregnancy uterine wall is a layer of film covered, this film said that it forms a complete amniotic cysts, the cavity filled with amniotic fluid, the fetus in which growth and development. Amniotic fluid volume increases with pregnancy, to full-term up to 1000ml. Over any period of 2000ml, that is too much amniotic fluid. The disease is more common, the incidence was 0.5% to 1%. In most cases, the increase in amniotic fluid is slow, known as chronic polyhydramnios; a handful of sharp increase in a few days, said the acute polyhydramnios. Do not underestimate the disease, because either chronic or acute, may have hidden maternal and child diseases, endanger the lives of mother and child. Common underlying diseases are fetal malformations, accounting for