4. Take steps to regulate your period. If your period is irregular and you have seen your doctor to determine that there are no major problems, you can take certain measures to help your period become more regular.
aptitude (plural aptitudes) 1  Natural ability to acquire knowledge or skill. 2  The condition of being suitable.
Definition of aptitude. 1  1a : inclination, tendency an aptitude for hard workb : a natural ability : talent an aptitude for gymnastics. 2  2 : capacity for learning an aptitude for languages. 3  3 : general suitability : aptness.