A young woman comes to the mental health clinic for her rout…

A young woman comes to the mental health clinic for her routine medication follow-up. She has been married for 2 years and reports that she and her husband are ready to start a family. She has a diagnosis of bipolar disorder and has been well managed on divalproex (Depakote) for at least 3 years. What is the most essential counsel for the nurse to give her?