Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Reasons for exclusion of cases.
| Excluded cases | ||
|---|---|---|
| Reason | rTVUS group | eTVUS group |
| TA only | 5 | |
| Incomplete TVUS | 7 | |
| No time stamps | 1 | 1 |
| Different sonographer | 6 | |
| Endometriosis scan | 1 | |
| Early pregnancy scan | 2 | |
| Scan performed over two episodes | 1 | |
| Total | 22 | 2 |
TA, transabdominal ultrasound; TVUS, transvaginal ultrasound; rTVUS, routine transvaginal ultrasound; eTVUS, endometriosis transvaginal ultrasound.
