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本文详细地介绍了一种早妊期吸取微量绒毛的器械和方法。通过1921例取材的实践,使用这种器械经宫颈进入宫腔吸取绒毛组织,具有导向、定位准确,取材容易成功,母、胎安全等优点。统计1921例取材成功率为98.23％;信访378例,流产率为5.82％;对盲吸法取材后出生的儿童269例随访体检,265例儿童的发育、身长、体重和智力等均正常。发现先天畸形4例,先天畸形的发生率为1.49％,低于山西省新生儿先天畸形的发生率(2.75％)。
This article describes in detail a device and method for aspiration of microvilli during early pregnancy. Through the practice of drawing 1921 cases, the use of such instruments through the cervix into the uterine cavity to absorb villi, with orientation, positioning accuracy, drawing easy, mother, fetal safety and so on. Statistics of 1921 cases of successful rate was 98.23%; 378 cases of letters and visits, the abortion rate was 5.82%; 269 cases of children born after blind suction method were followed up for physical examination, 265 children’s development, body length, weight and intelligence were normal. In 4 cases of congenital malformations, the incidence of congenital malformations was 1.49%, which was lower than the incidence of neonatal congenital malformations in Shanxi Province (2.75%).