Pseudogestational sac seen in ultrasonography of:
When ultrasound examination reveals a sac without an embryo or yolk sac, the diagnosis is limited to one of three entities:

A normal early intrauterine pregnancy (IUP).
An abnormal intrauterine pregnancy (IUP).
A pseudogestational sac in a patient with an ectopic pregnancy.
Missed abortion
Ectopic gestation
Complete abortion
Hematometra