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.
Percentage of mice exhibiting constant diestrus. The stages of the estrous cycle were determined by daily vaginal smears. Estrous cycles were examined bimonthly for a minimum of three complete cycles in wild-type (WT) and transgenic (TG) females (n = 15 for each genotype) from 10 to 20 months of age.
