It is not uncommon for migraines to become more frequent, even while on birth control pills. Stress can also be a contributing factor to the increased frequency of migraines. It is important to consult with a doctor to explore possible treatments or medications to help manage these symptoms. Additionally, if you are experiencing persistent anxiety or symptoms of anxiety that affect your daily activities, it would be advisable to seek help from a healthcare professional, such as a therapist or psychologist.