Figure 3.
Variation in percent for total motility since 1 January 1989 for a 35-year-old man in metropolitan France with 95% confidence intervals (left axis). Projected values in percentage motile spermatozoa (right axis).
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.