Synonyms for filter in Free Thesaurus. Antonyms for filter. 41 synonyms for filter: purify, treat, strain, refine, riddle, sift, sieve, winnow, filtrate, screen, trickle, leach, seep, percolate, well, escape, leak.... What are synonyms for filter?
Thyroid conditions like hypothyroidism can lead to late and irregular periods, as can polycystic ovarian syndrome and other health issues like celiac disease. Stress can also throw your period off schedule â making you, of course, more stressed, which in turn can throw your cycle even more out of whack.
1 You may be pregnant. 2  Take a home pregnancy test or see your gynaecologist for a thorough examination. 3  If the result is negative, then you and your doctor will have to further investigate what the cause for your late periods might be.4  Young girls in their teens usually have late periods.ortunately, being pregnant is only one of hundreds of reasons that you may have late periods. All women have late periods at some point. It is not a cause for undue concern and generally the problem will just resolve itself. You may be a day or two late, a week late, or you may miss a period altogether.