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.
Frequency of placenta accreta spectrum according to the number of previous cesarean sections
| Number of previous CSs | Placenta previa (P < 0.001*) | No placenta previa (P = 0.427*) |
|---|---|---|
| 0 | 1.3% (6/460) | 0.2% (172/81914) |
| 1 | 12.2% (6/49) | 0.1% (7/6081) |
| ≥2 | 27.3% (6/22) | 0.2% (5/2028) |
CS Cesarean section
*, P value from the extended Mantel-Haenszel chi-square test
P < 0.05 is statistically significant
