Role of ultrasound in evaluation of empty gestational sac before threatened abortion

ABSTRACT

Threatened abortion occurs during the first 20 weeks of pregnancy when vaginal bleeding is encountered with closed cervical os. This occurs in 20 to 52% of pregnancies. Ultrasound provides a simple and unique method of visualizing pregnancy in early stages. If the viability of pregnancy can be accurately determined a more active line of management can take place. Nonviable pregnancies are managed by uterine evacuation, whereas viable pregnancies are observed