Jessica Is Looking Forward to a Romantic Evening of Dining

Jessica is looking forward to a romantic evening of dining, dancing, and spending the night making love with Phil. To increase spontaneity, she inserts her diaphragm with spermicide before leaving her home at 7 P.M. She expects to arrive at Phil's house well past midnight. What should Jessica know?

A) Dancing and heavy meals can dislodge the diaphragm from its required location.
B) Diaphragms begin to dissolve if left in the vagina longer than two hours.
C) Only a physician can insert the diaphragm properly before each use.
D) The spermicide will protect against pregnancy for only two hours after insertion.