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母婴人乳头状瘤病毒亚临床感染的检测 |
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cal, vaginal exfoliated cells of 12 cases and in the maternal peripheral blood of 11 cases. (3) In the third trimester, HPV-DNA was detected in the cervical, vaginal exfoliated cells of 23 cases and in the maternal peripheral blood of 18 cases. (4) In the puerperium, HPV-DNA was detected in samples of cervical, vaginal exfoliated cells of 8 cases and maternal peripheral blood of 7 cases. (5) In the control group, HPV-DNA was detected in the cervical, vaginal exfoliated cells of 8 cases and in the maternal peripheral blood of 6 cases. (6) Consecutive examinations were carried out in 31 pregnant women from the third trimester, through labor to 6 weeks of postpartum. HPV-DNA was positive in the cervical, vaginal samples of 17, 21 and 8 cases, respectively, according to the perinatal periods, and in the maternal peripheral blood of 14, 13 and 7 cases, respectively. The result through the above gestational stages was fluctuated in the cervical, vaginal samples of 6 cases and in the maternal peripheral blood of 7 cases. (7) Successive examinations in infants at time of birth, 48～72 h and 6 weeks after birth showed positive HPV-DNA in the nasopharyngeal secretion of 13, 6 cases and 1 case with respect to the examining periods. (8) The positive cases were mainly infected by HPV-16, 18. Conclusions (1) Infective rate of HPV is statistically significant in the third trimester, but no significant difference exists among the first trimester, the second trimester, the puerperium or the non-pregnancies. (2) Examining consecutively, the HPV positive rate is found to be decreased after delivery, the positive expression of HPV during the gestational periods exhibited fluctuation. (3) Infective rate of HPV in the neonatal nasopharyngeal specimens tends to decrease with time after delivery.
【Key words】 Papillomavirus, human; Papovaviridae infections; Tumor virus infections; Polymerase chain reaction
人乳头状瘤病毒(human papillomavirus， HPV)是双链DNA病毒，目前已发现70多型，在生殖道上皮的病灶中至少上一页 [1] [2] [3] 下一页
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