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Dr. Heena Agarwal
Dr. Akshay Shah
Dr. Babulal Patel
Dr. Shashwat Jani
Dr. Rahil Agrawal
Dr. Adwait Patel


Background: The first trimester begins on the first day of your last period and lasts until the end of week 12. It is the most critical and tenuous period in human existence. We showed the utility of first trimester ultrasonography before 12 weeks of gestation. Ultrasonography has drastically changed validation and management of first trimester pregnancies.

Objective: The purpose of this study was to evaluate the utility of first trimester ultrasound before 12 weeks of gestation in diagnosing and management of various conditions of pregnancy at an early stage.

Materials and Methods: We conducted a retrospective data analysis on randomly selected 300 pregnant women (<12 weeks of gestation) at V.S. General Hospital, Ahmedabad, Gujarat from January 2019 to May 2019. These patients underwent first trimester ultrasonography (transvaginal/abdominal). Maternal age, parity, gestational age, and maternal gestational history were compared with ultrasonographic findings. Patients were divided into 11 groups based on ultrasonographic diagnosis.

Results: We noted 71.3% patients to have single, viable, intrauterine pregnancies, while 28.7% had abnormal or complicated pregnancies with uterine anomalies, ovarian cysts, fibroids, or sub chorionic haematomas.

Conclusion: The study emphasizes the fact that first trimester ultrasonography before 12 weeks of gestation is an important tool for predicting pregnancy outcomes, particularly with respect to detecting complicated or unviable pregnancies. It is a cheap and easily accessible imaging modality to be used during pregnancy.

First trimester ultrasonography is helpful to date pregnancy, to define embryonic landmarks in developmental stages with reference to gestational age, early diagnosis of abortion, early detection of ectopic pregnancy, diagnose multifetal pregnancy for assessing chorionicity, detect pregnancy with fibroid, diagnose suspected uterine anomaly and detection of pre-eclampsia, IUGR babies with the help of uterine artery PI.

Keywords: First Trimester; Ultrasound; Pregnancy Outcome; Uterine anomalies; Ovarian cysts; Fibroids

Published Nov 13, 2020

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