- 9 x 7 x 1 mm intrauterine fluid collection in the lower portion of the uterine cavity
- anechoic, oblong, and with angular margins
- located in the lower uterine cavity
- slightly eccentrically located
- no evidence of a double decidual layer
- no definite intrauterine pregnancy (IUP) is identified
- thickened endometrium
- prominent right ovarian cystic lesion is compatible with a corpus luteum
- no free fluid in the cul-de-sac