A nurse is reinforcing teaching for a female client who has multiple sclerosis and a new prescription for dantrolene. Which of the following client statements indicates an understanding of the teaching?

"I am glad this medication is safe to take if I get pregnant."

"I should take this medication when my spasms are bad."

"I should return to the clinic to have my calcium level checked every 6 weeks."

"I need to notify my provider if I don't get some relief from my muscle spasms within 3 months."