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. 2015 Apr 8:6:32.
doi: 10.4103/2008-7802.154774. eCollection 2015.

Cytomegalovirus, Toxoplasma gondii and Rubella Vertical Transmission Rates According to Mid-trimester Amniocentesis: A Retrospective Study

Chrysoula Margioula-Siarkou  1 , Ioannis Kalogiannidis  1 , Stamatios Petousis  1 , Stella Prapa  2 , Themistoklis Dagklis  1 , Apostolos Mamopoulos  3 , Nikos Prapas  1 , David Rousso  3
Affiliations

Cytomegalovirus, Toxoplasma gondii and Rubella Vertical Transmission Rates According to Mid-trimester Amniocentesis: A Retrospective Study

Chrysoula Margioula-Siarkou et al. Int J Prev Med. .

Abstract

Objective: To examine vertical transmission rates of Cytomegalovirus, Toxoplasma Gondii and Rubella infections according to amniotic fluid PCR analysis.

Methods: A retrospective analysis of mid-trimester amniocenteses performed in in pregnancies with diagnosed maternal infection by Cytomegavirus (CMV), Rubella or Toxoplasma gondii during 1994-2008 was performed. Vertical transmission rates were observed according to the presence of the infectious agent's DNA in the amniotic fluid. A univariate regression model was also performed to investigate possible correlations between transmission and epidemiological parameters.

Results: Overall, 7033 amniocenteses were performed during study's period, of which 166 (2.4%) with the indication of maternal infection by CMV, Rubella or Toxoplasma. Mean maternal age was 27.4 ± 2.5 years and the mean gestational age at amniocentesis was 18.7 ± 2.5 weeks. Vertical transmission was observed in 21 cases (12.7%). Transmission rate was 17.3% in cases with infection from CMV, 9.5% from Toxoplasma gondii and 7.8% from Rubella (P = .05). Maternal age was the only parameter being significantly associated with increased risk for vertical transmission (P = .04).

Conclusions: According to our results, overall vertical transmission rate marginally exceeds 10%. CMV infection is characterized by relatively higher transplacental transmission rate, while increased maternal age appears to be associated with a higher risk for vertical transmission.

Keywords: Amniocentesis; cytomegalovirus; infection; rubella; toxoplasma; vertical transmission.

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Conflict of interest statement

Conflict of Interest: None declared.

Figures

Figure 1
Figure 1
Overview of amniocenteses performed with the indication of maternal infection during 1994–2008
See this image and copyright information in PMC

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