Stillbirths and intrauterine infection, histologic chorioamnionitis and microbiological findings. 1996

S R Moyo, and I Hägerstrand, and L Nyström, and S A Tswana, and J Blomberg, and S Bergström, and A Ljungh
Department of Medical Microbiology, University of Zimbabwe Medical School, Harare, Zimbabwe.

OBJECTIVE To analyze whether placental inflammation is associated with stillbirth in Zimbabwe. METHODS Placentas from 66 stillbirths (> 22 weeks' gestation; patients with congenital malformations, diabetes or preeclampsia were excluded) and 66 term live births were studied for the presence and severity of chorioamnionitis. The morphological results were compared with earlier presented microbiological findings in the same material. RESULTS Chorioamnionitis was present in 79% of stillbirths and 30% of live births (O.R. 8.5, 95% C.I. 4.0-18). Nine percent of stillbirths but no live births presented vasculitis of the chorionic plate, which verified an inflammatory response from the infant (O.R. 14, 95% C.I. 2.8-72). The same types of microorganisms were isolated from stillbirths and liveborns, but Escherichia coli and group B streptococci were more frequent among stillbirths. CONCLUSIONS Morphological chorioamnionitis occurred 2.6 times more often in women with stillbirths than in women with live births. In 9% of stillbirths the infant showed an inflammatory response. Thus the infant was alive when the infection occurred and it is therefore reasonable to assume that infection was the cause of death.

UI MeSH Term Description Entries
D010920 Placenta A highly vascularized mammalian fetal-maternal organ and major site of transport of oxygen, nutrients, and fetal waste products. It includes a fetal portion (CHORIONIC VILLI) derived from TROPHOBLASTS and a maternal portion (DECIDUA) derived from the uterine ENDOMETRIUM. The placenta produces an array of steroid, protein and peptide hormones (PLACENTAL HORMONES). Placentoma, Normal,Placentome,Placentas,Placentomes
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011251 Pregnancy Complications, Infectious The co-occurrence of pregnancy and an INFECTION. The infection may precede or follow FERTILIZATION. Complications, Infectious Pregnancy,Infectious Pregnancy Complications,Maternal Sepsis,Pregnancy, Infectious Complications,Sepsis during Pregnancy,Sepsis in Pregnancy,Infectious Pregnancy Complication,Pregnancy Complication, Infectious,Sepsis in Pregnancies,Sepsis, Maternal
D002423 Cause of Death Factors which produce cessation of all vital bodily functions. They can be analyzed from an epidemiologic viewpoint. Causes of Death,Death Cause,Death Causes
D002821 Chorioamnionitis INFLAMMATION of the placental membranes (CHORION; AMNION) and connected tissues such as fetal BLOOD VESSELS and UMBILICAL CORD. It is often associated with intrauterine ascending infections during PREGNANCY. Amnionitis,Funisitis,Amnionitides,Chorioamnionitides,Funisitides
D003906 Developing Countries Countries in the process of change with economic growth, that is, an increase in production, per capita consumption, and income. The process of economic growth involves better utilization of natural and human resources, which results in a change in the social, political, and economic structures. LMICs,Less-Developed Countries,Low Income Countries,Low and Middle Income Countries,Lower-Middle-Income Country,Middle Income Countries,Third-World Countries,Under-Developed Countries,Developing Nations,Least Developed Countries,Less-Developed Nations,Third-World Nations,Under-Developed Nations,Countries, Middle Income,Countries, Third-World,Country, Least Developed,Country, Less-Developed,Country, Low Income,Country, Lower-Middle-Income,Country, Middle Income,Country, Third-World,Country, Under-Developed,Developed Country, Least,Developing Country,Developing Nation,Least Developed Country,Less Developed Countries,Less Developed Nations,Less-Developed Country,Less-Developed Nation,Low Income Country,Lower Middle Income Country,Lower-Middle-Income Countries,Middle Income Country,Nation, Less-Developed,Nation, Third-World,Nation, Under-Developed,Third World Countries,Third World Nations,Third-World Country,Third-World Nation,Under Developed Countries,Under Developed Nations,Under-Developed Country,Under-Developed Nation
D005260 Female Females
D005313 Fetal Death Death of the developing young in utero. BIRTH of a dead FETUS is STILLBIRTH. Fetal Mummification,Fetal Demise,Death, Fetal,Deaths, Fetal,Demise, Fetal,Fetal Deaths,Mummification, Fetal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor

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