Frequency of Placenta Praevia In Previous Cesarean Section

Falak Naz, Gulfishan Haq, Nusrat Shah, Sadaf Sabir

  • Gulfishan Haq Department of Obstetrics & Gynecology Unit III Civil Hospital Karachi



To find out the frequency of placenta previa in women with previous cesarean section.

Study design

Descriptive, cross-sectional study.

Place & Duration of study

Department of Obstetrics & Gynecology, Unit III Civil Hospital Karachi, from September 2018 to March 2019.         


A total of 96 women, gestational age =24 weeks with history of previous one or more cesarean sections were included. Detailed history was taken and antenatal record was reviewed. Present age of gestation was calculated from last normal menstrual period and confirmation done by using ultrasound. Placenta previa was confirmed by ultrasound scan as well.


Age range of study participants was from 15 year to 49 year.  Mean gestational age was 32 weeks, mean parity of 3, mean gravidity of 4, and mean BMI 29 kg/m2. Thirty-six women who had previous cesarean sections found to have placenta previa.


The frequency of placenta previa was significantly more in women who had  previous cesarean section.

Key words

Cesarean section, Placenta previa, Placenta accreta.