Prediction of Pregnancy Outcomes in Women with Threatened Abortion Using Ultrasound Parameters, Uterine Artery Doppler, and Serum Progesterone Levels: A Prospective Cohort Study.

Purpose: The study investigated the transvaginal ultrasound parameters, uterine artery doppler and serum progesterone level to predict pregnancy outcome in women experiencing threatened abortion in our population.

Methods: Prospective cohort study. TVS was performed to determine gestational age, viability and parameters like gestational sac, CRL, subchorionic hematoma (SCH), FHR.