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.
Aptitude tests are structured systematic ways of evaluating how people perform on tasks or react to different situations. They have standardised methods of administration and scoring with the results quantified and compared with how others have done at the same tests.