Does a missed period mean I'm pregnant?

Dr Sarah Jarvis MBE

Does your period show up like clockwork each month? If you're not pregnant, you might be wondering why you've skipped right past the one week you dread every month. But here's the thing: missed or late periods happen for many reasons other than pregnancy.

https://patient.info/health/periods-and-period-problems/features/missed-period-irregular-period-reasons