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.
The relationship between age and chromosome abnormal rate. (A) The percentage of chromosomal number abnormalities and structural abnormalities. (B) The cases number and percentage map of chromosomal number abnormalities. The increasing trend was analyzed by Cochran-Armitage test, and P<0.001. (C) The cases number and percentage map of chromosomal structural abnormalities. The increasing trend was analyzed by Cochran-Armitage test, and P=0.624.
