Figure 3.
Forest plot of studies evaluating clinical pregnancy rate (A); the number of optimal embryos (B); cycle cancellation rate (C).
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.