Transplacental Transmission of Human Papillomavirus
Author Information
Author(s): Rombaldi Renato L, Serafini Eduardo P, Mandelli Jovana, Zimmermann Edineia, Losquiavo Kamille P
Primary Institution: University of Caxias do Sul
Hypothesis
This study aimed to evaluate the transplacental transmission of HPV and the epidemiological factors involved in maternal viral infection.
Conclusion
The study suggests that placental infection occurs in 23.3% of cases and transplacental transmission in 12.2%.
Supporting Evidence
- HPV DNA was detected in 49 (77.8%) of the 63 pregnant women who underwent delivery.
- Twelve placentas (24.5%) had a positive result for HPV DNA.
- Eleven newborns were HPV DNA positive in samples from the nasopharyngeal or buccal and body or cord blood.
- In 5 cases (10.2%), there was HPV type-specific agreement between genital/placenta/newborn samples.
- A positive correlation was observed between transplacental transmission of HPV infection and maternal immunodepression history.
Takeaway
The study found that some mothers can pass HPV to their babies before birth, which can happen through the placenta.
Methodology
The study used a cross-sectional, prospective design with various sampling methods from mothers, newborns, and placentas to detect HPV DNA.
Potential Biases
Potential bias due to the selection of participants from specific health services.
Limitations
The study was limited to a specific population and may not represent all pregnant women.
Participant Demographics
The mean age of participants was 24.6 years, with a history of HPV infection in some cases.
Statistical Information
P-Value
0.011
Confidence Interval
95% CI
Statistical Significance
p = 0.011
Digital Object Identifier (DOI)
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