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.
(plural vicissitudes). 1  Regular change or succession from one thing to another, or one part of a cycle to the next; alternation; mutual succession; interchange. ( 2 often in the plural) a change, especially in one's life or fortunes.