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.
Estrous cyclicity of control (A) and Tac1−/− (B) female mice. C, Time from first estrus to initiate regular cyclicity. D, Cycle length (from estrus to the next estrus). Statistical analysis was performed using a 2-tailed t test (**, P < .01 compared with controls).
