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梅毒螺旋体宫内感染致胎儿先天性梅毒,其经过胎盘的机制和途径不很清楚。由于朗罕氏细胞滋养层的厚度,传统观念认为妊娠20周前梅毒螺旋体不能透过胎盘。 本文11例妊娠妇女,平均年龄20.4岁(15～30岁),平均孕龄16.8周(14～19周)。6例患Ⅱ期梅毒,5例患潜伏期梅毒。无合并人类免疫缺陷病毒(HIV)感染。每例孕妇每月检测一次VDRL滴度(Veneral Disease Re-
Treponema pallidum intrauterine infection caused by fetal congenital syphilis, the placenta through the mechanism and the path is not very clear. Due to the thickness of the Langerhans cell trophoblast, the conventional wisdom is that Treponema pallidum can not transmit through the placenta 20 weeks before gestation. This article 11 cases of pregnant women, the average age of 20.4 years (15 to 30 years old), the average gestational age of 16.8 weeks (14 to 19 weeks). 6 cases of stage Ⅱ syphilis, 5 cases of latent syphilis. No combined human immunodeficiency virus (HIV) infection. VDRL titers were tested every month in pregnant women (Veneral Disease Re-