Fig. 2.
Mean progesterone-concentrations across different cycle phases of n = 33 free-cycling women. Error bars reflects standard errors of the mean (SEM); ∗∗∗p < .001, ∗p < 05.
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.