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.
Based on 130,960 IVF cycles. Hosmer-Lemeshow test statistics: p<0.001. Solid line, IVFpredict model; dashed line, Templeton model; dotted, diagonal line, perfect prediction (reference).
