percent were triplets or more, according to the study appearing Nov. in the American Journal of Obstetrics Gynecology. 평균 의료 비용은 세쌍둥이 이상의 경우 ,, 쌍둥이의 경우 ,, 외둥이의 경우 , 이었습니다. That means that the costs for triplets or more were times higher than for singletons.