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.
Placental impression smears results compared to placental histology
| Placental histology | Total | |||
|---|---|---|---|---|
| Positive, n(%) | Negative, n(%) | |||
| Placental impression smears | Positive | 48 (90.6) | 7 (1.6) | 55 (11.4) |
| Negative | 5 (9.4) | 424 (98.4) | 429 (88.6) | |
| Total | 53 (100) | 431 (100) | 484 (100) | |
