５Ｘ综合征一例王秀英，杨星患者女，１５岁。第１胎。因其母妊娠９个月时血压高，胎心不好而引产。父母非近亲结婚，双亲身体健康。体检：患儿智力差。鼻梁低平，眼距宽，眼裂斜向外上方，双侧贯通掌。胸骨第二肋间可闻及明显连续性Ⅲ级收缩期杂音。猫喘音（＋），四肢多... A case of 5X syndrome Wang Xiuying, Yang Xing patient female, 15 years old. First child. 9 months of pregnancy due to high blood pressure, poor fetal heart rate and induction of labor. Parents non-relatives get married, parents healthy. Physical examination: children with mental retardation. Low nose bridge, wide eyes, oblique oblique above the eye, both sides through the palm. Second intercostal stenosis can be heard and significant continuity of grade systolic murmur. Cat breath (+), limbs and more ...