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Am J Perinatol. 1992 May;9(3):179-84.

Placental pathology of idiopathic intrauterine growth retardation at term.

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1
Department of Laboratory Medicine, Danbury Hospital, Connecticut.

Abstract

Placental examination was carried out in 128 consecutive cases of idiopathic intrauterine growth retardation (IUGR) at term and the findings were compared with those of 179 gestational age-matched cases with normal growth. Mean pregnancy weight and mean maternal weight gain during pregnancy of IUGR cases were both significantly lower than for non-IUGR cases. There was a higher frequency of a history of previous growth-retarded infants between IUGR cases (18 of 128, or 14%) compared with non-IUGR cases (7 of 179, or 3.9%). The studied placental lesions were placental infarction, chronic villitis, hemorrhagic endovasculitis, and placental vascular thromboses. One or more of these lesions were present in 71 of 128 (55%) of IUGR cases, and 58/179 (32%) of non-IUGR cases. Thirty-eight of 72 (53%) cases with chronic villitis were IUGR (30% of all IUGR cases). Thirty-one of 49 cases (63%) with placental infarction were IUGR cases (24% of all IUGR cases). Nineteen of 32 cases (59%) with hemorrhagic endovasculitis were IUGR cases (15% of all IUGR cases). Twelve of 17 cases (71% with placental vascular thromboses were IUGR (9% of all IUGR cases). Relationships of all placental lesions to IUGR were independent of each other. IUGR infants more frequently had multiple types of lesions in their placentas. Chronic villitis and hemorrhagic endovasculitis tended to occur in the same placentas. There were no significant relationships between maternal characteristics and placental lesions, except for an association between low pregravid weight and increased incidence of placental infarction. Decreased birth length was associated only with placental infarction (p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS).

PMID:
1575839
DOI:
10.1055/s-2007-999316
[Indexed for MEDLINE]

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