All India Congress of Obstetrics & Gynaecology, 04–08 Jan 2009 · Birla Auditorium, Jaipur

Objectives : To compare last menstrual period and ultrasonography in predicting delivery date in a population of pregnant women with certain last menstrual period. Methods : Data from a study of 100 women with singleton pregnancy between April 2008 and September 2008 were taken. Women with regular menstrual cycles were included in the study and women on contraceptive pills during the three months prior to conception, induced labour or delivered before 37 weeks were excluded. The duration of pregnancy from the scan to stndthe day of spontaneous delivery was predicted by 1 and 2 trimester scans and the results were compared with estimates stndbased on last menstrual period.