A Nurse Is Assessing a Couple Who Are in the Clinic

A nurse is assessing a couple who are in the clinic complaining of an inability to get pregnant.Which questions are most important at this time?

A) "Do you get up right after intercourse?"
B) "Do you know how to track your cycle?"
C) "How do you know when you ovulate?"
D) "How often do you have intercourse?"
E) "What sexual positions do you use?"