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Value of ultrasonic placental localization in pregnancy after caesarean section
1Department of Radiology, Obstetrics and Gynaecology, University of Ilorin, Nigeria.
Ninety-four women who had undergone previous lower segment caesarean section (CS) were evaluated in the third trimester of pregnancy using ultrasound for localization of the placenta. Results obtained showed that posterior upper uterine segment placental implantation occurred with the highest frequency of 36.2pc followed by anterior upper uterine segment and fundal implantations which each had a frequency of 19.1pc. For anterior lower segment implantation the frequency was 18.1pc while placenta praevia occurred with frequency of 5.3pc. Altogether, anterior uterine wall placental implantation occurred with combined frequency of 37.2pc and justifies routine ultrasonic placentography in pregnant women with previous CS who are being considered for surgical procedures like amniocentesis or another CS.
Ninety-four women who had undergone previous lower segment caesarean section (CS) were evaluated in the third trimester of pregnancy using ultrasound for localization of the placenta. Results obtained showed that posterior upper uterine segment placental implantation occurred with the highest frequency of 36.2pc followed by anterior upper uterine segment and fundal implantations which each had a frequency of 19.1pc. For anterior lower segment implantation the frequency was 18.1pc while placenta praevia occurred with frequency of 5.3pc. Altogether, anterior uterine wall placental implantation occurred with combined frequency of 37.2pc and justifies routine ultrasonic placentography in pregnant women with previous CS who are being considered for surgical procedures like amniocentesis or another CS.