In 2001, Andrea Yates, Showing Symptoms of Postpartum Psychosis, Drowned

In 2001, Andrea Yates, showing symptoms of postpartum psychosis, drowned her five children. Assuming she was suffering from postpartum psychosis, her actions were:

A) typical; almost all women with postpartum psychosis harm their offspring.
B) typical; at least 75 percent of women with postpartum psychosis harm their offspring.
C) somewhat typical; about 50 percent of women with postpartum psychosis harm their offspring.
D) atypical; less than 5 percent of women with postpartum psychosis harm or attempt to harm their offspring.