It is unlikely that changing medication for migraines would affect your fertility. However, it is always recommended to consult with a healthcare professional if you have been trying to conceive for more than a year without success. In terms of fertility supplements, it is important to focus on non-pharmacological measures such as managing stress, maintaining a balanced diet, exercising regularly, avoiding smoking, vaping, and excessive alcohol consumption. It is also advisable to seek further medical evaluation after one year of unsuccessful attempts to conceive.