Premium
Ultrasonic tissue characterization of the placenta: Is it of clinical value?
Author(s) -
Crawford Diane C.,
Fenton David W.,
Price W. Islwyn
Publication year - 1985
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/1097-0096(199010)13:8<533::aid-jcu1870130804>3.0.co;2-f
Subject(s) - medicine , gestation , placenta , obstetrics , pregnancy , coefficient of variation , third trimester , birth weight , gynecology , fetus , biology , statistics , genetics , mathematics
Placentas of 84 antenatal patients have been examined throughout pregnancy (14–40 weeks of gestation). The coefficient of variation (the standard deviation divided by the mean) of echo‐peak amplitude distributions obtained from placental images was used to characterize the placentas in different groups. Placentas of smokers yielded higher coefficient of variation values throughout pregnancy ( P < 0.05). This placental texture index was significantly lower for nonsmoking mothers of low‐birthweight babies after 30 weeks of gestation ( P < 0.001). Quantitative analysis of placental appearance may be of clinical value in selecting nonsmoking women at risk for low‐birth‐weight babies during the third trimester.