A 26-year-old woman has been prescribed Topiramate (Topamax) for management of a seizure disorder. The health care provider prescribing the medication will include which information in the medication education provided to the patient?

The medication will be replaced with valproic acid (Depakote) if pregnancy occurs.

The medication alters the menstrual cycle making conception very unlikely

The medication can decrease the effectiveness of oral contraception.

The medication can cause congenital malformations in a fetus.