对2例无法解释病因的严重羊水过多病人进行观察,在完整检查过程中,首先怀疑肌强直性营养不良的诊断。例1:一32岁西班牙妇女,孕2产1。第一胎在晚期妊娠的早期发现羊水过多,有关常见的原因检查(糖尿病、免疫性疾病及胎儿畸形等)均阴性。于妊娠36周因胎儿窘迫行剖宫产术,娩出一男婴,分娩时证实羊水过多,生后第二天婴儿死亡, In 2 patients with unexplained etiology, patients with severe polyhydramnios were observed. During the complete examination, the diagnosis of myotonic malnutrition was first suspected. Example 1: A 32-year-old Spanish woman with 2 pregnancies. The first child is found to have polyhydramnios at an early stage of late pregnancy. Common causes of the disease (diabetes, autoimmune diseases, fetal malformations) are all negative. 36 weeks of pregnancy because of fetal distress cesarean delivery, delivery of a baby boy, confirmed that polyhydramnios, childbirth the day after birth,