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.
Word Origin and History for aptitude Expand. n. early 15c., tendency, likelihood, from Middle French aptitude (14c.) or directly from Late Latin aptitudo (genitive aptitudinis) fitness, noun of quality from Latin aptus joined, fitted (see apt).