为了观察十二指肠钩虫在人体的排卵习性,于1960～1965年和1982～1984年分别对2例进行了连续数年的观察,均发现冬季停止排卵,现报道于下。 观察方法和结果 一、观察对象和方法:2例均系机关干部。第一例于1959年在流行区感染钩虫,1960年作粪检,克粪卵数在50～70个之间,经培养鉴定纯为十二指肠钩 In order to observe the duodenal hookworm habit of ovulation in the human body, from 1960 to 1965 and 1982 to 1984, respectively, two cases were observed for several years, were found to stop ovulation in winter, are reported below. Observation methods and results First, the observed objects and methods: two cases were department cadres. The first case was infected with hookworm in epidemic area in 1959, fecal examination in 1960, the number of gram-positive excrement was between 50 and 70, and was identified as purely duodenal hook