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Amniotic fluid infection with intact membranes in relation to stillborns
Abstract:
The role of transamniotic fetal infection in the presence of intact membranes has attracted widespread attention. The present study is a reexamination of the autopsy material from 145 cases of macerated stillbirth observed in the National Maternity Hospital from 1979 to 1982. The objective was to ascertain the incidence of congenital pneumonia. No more than five cases were discovered, and in only two of these was there convincing evidence that the membranes were intact. The amniotic fluid infection syndrome seemed to be of little importance in the causation of late intrauterine death.
Insights
Transamniotic fetal infection with intact membranes is rare. This study found congenital pneumonia in only five macerated stillbirth cases, with minimal evidence of intact membrane infections causing late intrauterine death.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Pathology
- Fetal Medicine
Background:
- Transamniotic fetal infection is a suspected cause of stillbirth.
- Congenital pneumonia is a potential indicator of intrauterine infection.
- The role of infection with intact membranes requires further investigation.
Purpose of the Study:
- To determine the incidence of congenital pneumonia in macerated stillbirths.
- To assess the significance of amniotic fluid infection syndrome in late intrauterine death.
Main Methods:
- Retrospective autopsy review of 145 macerated stillbirth cases.
- Analysis of cases from the National Maternity Hospital (1979-1982).
Main Results:
- Congenital pneumonia was identified in no more than five cases.
- Convincing evidence of intact membrane infection was found in only two cases.
- Amniotic fluid infection syndrome appeared to play a minor role in late intrauterine death.
Conclusions:
- Congenital pneumonia is uncommon in macerated stillbirths.
- Transamniotic fetal infection with intact membranes is not a major cause of late intrauterine death.
- The amniotic fluid infection syndrome has limited importance in this context.