先天性不对称的啼哭面貌,是由于降口角肌发育不全或缺如,表现在啼哭时下唇不对称的一种次要的先天性畸形。作者对印度的阿杰米尔 J、L、N、医学院在1979年1月至8月出生的1600名婴儿中,进行了探索性的研究,发现10名婴儿存在啼哭时不对称面貌(6.3‰)。其中2名伴有先天性心脏病(1例室间隔缺损;1例法乐氏四联症),而对照组1,590名新生儿仅发现3例先天性心脏病(P<0.001)。5名婴儿有其它次要的先天性畸形。检查10名患儿的母亲,发现4人有同样畸形,在他们的12个同胞中也有3人存在这种畸形,故提示该病发生与家族因素有关。未发现产时或产前的有害因素。在3 Congenital asymmetric crying is due to hypogonadal hypoplasia or lack of performance in the lower lip when crying is a secondary congenital malformation. The authors conducted a exploratory study of 1,600 infants born in India’s Ajmer J, L, N, Medical School from January to August 1979 and found that 10 infants had an asymmetrical face when crying (6.3 ‰ ). Two of them had congenital heart disease (one ventricular septal defect; one tetralogy of Fallot), while three of the 1,590 newborns in the control group had only three cases of congenital heart disease (P <0.001). Five infants have other secondary congenital malformations. The mother of 10 children was examined and found that 4 had the same deformity, and 3 of their 12 siblings also had this deformity, suggesting that the disease was associated with familial factors. No unhealthy or prenatal harmful factors were found. At 3