患儿、男、10天。G_2p_1,足月臀位剖腹产。生后1分钟阿氏评分9分,5分钟评分10分。体重3300g,身长51cm。因性别不清就诊。母孕2月时曾用黄体酮保胎,7月时用硼酸,雷弗奴尔外敷治疗皮肤湿疹。9~+月时NST试验呈无反应型。体检:头围31cm,前额突,下颌小且向左侧偏斜、眼距宽、鼻孔朝前、发黄,颅骨薄。手指细长,指关节过伸,握拳时拇指在内小指外 Children, male, 10 days. G_2p_1, full-term breech cesarean section. 1 minute after birth, Ashley scored 9 points, 5 minutes scored 10 points. Weight 3300g, length 51cm. Due to unclear gender treatment. Mother’s pregnancy in February with progesterone miscarriage, July with boric acid, Reverol topical treatment of skin eczema. 9 ~ + month NST test was non-responsive type. Physical examination: head circumference 31cm, forehead sudden, small jaw and skewed to the left, wide eyes, nose forward, yellow, skull thin. Finger slender, refers to the joint hyperextension, when the thumb fist outside the little finger