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  3. 5. Determination of Accuracy of Ultrasonography in 1st Trimester of Pregnancy in Detection of Date of Delivery
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5. Determination of Accuracy of Ultrasonography in 1st Trimester of Pregnancy in Detection of Date of Delivery

Farida Kakar and Summaira Hamza

ABSTRACT

Objective: To determine the accuracy of ultrasonography in 1st trimester of pregnancy in detection of date of delivery.

Study Design: Descriptive / cross sectional study.  

Place and Duration of Study: This study was conducted at the Department of Obstetrics & Gynecology, Sandeman Provincial Hospital, Quetta from 1st July 2016 to 31st December 2016.

Materials and Methods: Total 100 primigravida with 1st trimester of pregnancy having age 18-45 years were recruited for the present study. Women with Multiple gestation, nonviable pregnancy and fetal malformation were excluded from the study.

Results: In this study accuracy rate of USG for date of delivery was 84 (84%) in first trimester. In age group18-30 years, accuracy rate was 71 (93.42%) and 13 (54.17%) in age group 31-45 years. Accuracy of USG for date of delivery was noted in 57 (90.48%) patients and 27 (72.97%) patients in both gestational age groups respectively (910 weeks vs 11-12 weeks).

Conclusion: Findings of this study revealed that accuracy of USG based EDD estimation is found better in first trimesters in detection of date of delivery. A higher rate of accuracy of Ultrasound based EDD estimation was noted in early age group as compared to middle age group. It is also observed that accuracy was significantly associated with gestational age.

Key Words: Last menstrual period, Accuracy, Ultrasound, Gestational age, Expected date of delivery

Citation of article: Kakar F, Hamza S. Determination of Accuracy of Ultrasonography in 1st Trimester of Pregnancy in Detection of Date of Delivery. Med Forum 2017;28(2):19-22.