Background: Miscarriage accounts for around 15-20% of all pregnancies. The yolk sac emerges at 5 weeks of pregnancy and may be seen by ultrasound. The embryonic heart rate can be utilized as a predictive factor for the pregnancy outcome in the first trimester.
Aim of the work:To see whether measuring the width and form of the yolk sac using a transvaginal ultrasound at 6 and 8 weeks of pregnancy will help predict the fate of the first trimester pregnancy.
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