Findings
- A gestational sac containing an embryo is visualized in the lower uterine segment extending into the cervical canal approaching the external cervical os
- Mean sac diameter: 3.5 cm
- Crown-rump length: 2.8 cm
- Estimated gestational age: 9 weeks, 4 days by crown-rump length
- Cardiac contractions are not visualized
- Anechoic structure in the left ovary with peripheral vascularity consistent with a corpus luteum
- Trace free fluid in the cul-de-sac
Diagnosis
Spontaneous abortion in progress
Sample Report
Single intrauterine gestation with crown-rump length measuring 2.8 cm and no cardiac contractions visualized. These findings are diagnostic of pregnancy failure. The gestational sac is positioned in the lower uterine segment extending into the cervical canal approaching the external cervical os, consistent with spontaneous abortion in progress.
Left ovarian corpus luteum with otherwise normal appearance of the uterus and ovaries.
Trace free fluid in the cul-de-sac.
Discussion