What is the most common family structure in the United States?

In the case of Vincent, one apparent source of his trauma was

a) a sexually abusive babysitter. b) an automobile accident. c) an abusive and volatile father. d) an emotionally abusive aunt.

Postpartum depression is more likely in women who

a. were depressed before pregnancy. b. wanted to become pregnant. c. have the support of other adults after the baby is born. d. have particularly low levels of hormones in the later phases of pregnancy.