Which is not a process in the second trimester?

The second trimester of your pregnancy is from week 13 to week 28 - roughly months four, five and six. As well as feeling and looking more pregnant during these weeks, you may also have more energy than you did in the first trimester.

Behavioral science is the study of human behaviors and how they can be influenced.  by examining patterns in behavior as well as reactions, individuals with behavioral problems can be more adequately treated, resulting in greater mental health of our society/the public.