Occult Intraamniotic Infection at the Time of Midtrimester Genetic Amniocentesis: A Reassessment
1994

Reevaluating Intraamniotic Infection During Amniocentesis

Sample size: 177 publication Evidence: high

Author Information

Author(s): Peter H. Cherouny, Glenn A. Pankuch, John J. Botti

Primary Institution: University of Vermont and Pennsylvania State University

Hypothesis

What is the incidence of occult early midtrimester intraamniotic infection in asymptomatic patients at the time of genetic amniocentesis?

Conclusion

The incidence of occult intraamniotic infection in the second trimester is lower than previously reported.

Supporting Evidence

  • All amniotic fluid specimens tested negative for bacteria and bioactive leukoattractants.
  • The study found a significantly lower incidence of infection compared to previous reports.
  • Two samples showed artifacts resembling spermatozoa, a previously unreported finding.

Takeaway

Doctors checked the fluid from pregnant women for germs during a test called amniocentesis, and they found very few germs, which means the risk of infection is low.

Methodology

Amniotic fluid specimens were collected and tested for bacteria and bioactive leukoattractants using microscopy and cultures.

Limitations

The study may not account for all possible infections or variations in patient populations.

Participant Demographics

Patients with viable singleton pregnancies referred for amniocentesis, primarily due to advanced maternal age.

Statistical Information

P-Value

0.002

Confidence Interval

95% CI, 0-1.9%; 99% CI, 0-2.9%

Statistical Significance

p<0.05

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