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通过对芜湖市中、小学和幼儿园的58 887名学生的普查,发现198对双生子,双生子发生率为3.4‰,其中同卵双生占60.77％,异卵双生占39.23％。本文就双生子的胎次和父母育龄的分布;双生子的智力、体征;双生与遗传等方面进行了研究。
According to the survey of 58 887 students in middle and primary schools and kindergartens in Wuhu city, 198 pairs of twins and twins were found with a prevalence of 3.4 ‰, of which 60.77% were twins and 39.23% were twins. This article studies the distribution of twins and parents ’reproductive age, twins’ intelligence, signs, twins and heredity.