口唇・口蓋裂一次症例の臨床統計的観察: 第2報

概要

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A clinico-statistical analysis was carried out on the 341 patients with primary cleft lip and palate who visited our clinic during the 10-year period since 1981. The results were as follows: 1. The body weight at birth of 324 patients averaged 3, 061. 6 g (ranged from 1, 350 to 4, 380 g). The incidence of low-weight babies less than 2, 500 g accounted for 10. 8 percent of the patients, which was higher than in the normal. 2. The mean age of the 290 mothers at delivery was similar to the normal distribution. High-aged mothers over 35 years old accounted for 6. 6 percent. No relationship was suggested between the mothers age and the occurrence of cleft lip and palate. 3. Bottle feeding was being used in most patients at the first medical examination (72.4% of 301 patients). 4. Other congenital malformations were detected in 71 patients (20.8% of all 341patients). The cleft palate (CP) group showed the highest incidence among the three (CP, CL and CLP) groups. 5. A family history was found in 49 (14. 4%) of 341 patients.