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.
Scatterplot of cortisol concentration in maternal milk and offspring temperament factor scores by offspring sex (males: *; females: ○ ). (A) Confident factor scores, (B) Vigilant factor scores, (C) Gentle factor scores, (D) Nervous factor scores.
