患儿男,1.5小时,因生后哭声弱1.5小时入院。患儿系第三胎第一产,38+6周,因母产前子痫行剖宫产,1分钟Apgar评分7分。其母有2次自然流产史,本次妊娠于12孕周时曾因先兆流产行保胎治疗。查体:P120次/分,R48次/分,体重2100g,足月新生儿貌,呼吸稍促,口周发绀,左肺呼吸音清,右肺呼吸 Children male, 1.5 hours, 1.5 hours after birth due to crying weak admission. Pediatric third child first birth, 38 +6 weeks, because of prenatal eclampsia cesarean section, Apgar score of 1 minute 7 points. The mother has 2 times the history of spontaneous abortion, this pregnancy at 12 weeks of gestation due to threatened abortion miscarriage treatment. Physical examination: P120 beats / min, R48 beats / min, weight 2100g, full-term neonatal appearance, breathing a little faster, perioral cyanosis, left lung breath sounds clear, right lung respiration