A nurse in a clinic is reinforcing teaching with a client who has a new prescription for a combination contraceptive transdermal patch. Which of the following should the nurse include in the teaching?

"The contraceptive effect will continue for 6 months following discontinuation of the medication."

"Start the first patch on the seventh day of the menstrual cycle.

"Apply the patch to the lower abdomen."

"Expect to have a headache during the first month."