It means that it's time for you to see a doctor or a sexual health clinic. Your body has conflicting signals, only a one to one consultation can sort things. Best of luck.
I am not a doctor, and I am not dispensing medical advice. However, it is well-known that lots of different things can affect your period. A likely cause for missing a period that many months in a...
It is possible, because your cycle can return at any time. You will not know it until weeks later when a period arrives and conception would or could have already occurred approximately two weeks...