What can delay a cycle? im 3 days late with all the cramps and bloating but no period. the timing doesn't add up to m being pregnant. what could it be

When in doubt: just check pregnancy test. And if you are still not bleeding normally and first pregnancy test was negative, check it again in 1 week. Your symptoms may be pregnancy related, but they may just be some viral illness that has delayed your period. See a healthcare provider for more definitive pregnancy tests if you are concerned and your tests at home are negative repeatedly.

Take a test : If you think you might be pregnant check then check a home pregnancy test. They are cheap, reliable and available at any pharmacy. Irregular periods are very common. Consider starting birth control to help you regulate your cycle