Im worried i might be pregnant

Lizzy • 19. CAN/UK/FIN
A few weeks ago i think i missed my pill but couldnt remember so the next day i took my pill like i normally would and forgot all about it. My period has never been to the day, im always a few days late or early. My period is a day late but two days ago I had what I thought was a 24 hour tummy bug. Now Im constantly craving stuff but as soon as I eat I feel super full and bloated and my stomach has been very extended the last few days. I also have barely slept and have had a lot of trouble sleeping and my hormones have been out of control.