Possibly pregnant?

I’m 36 days late for my period, I took a test 3 weeks ago and was neg but I have multiple symptoms such as morning sickness, nausea, tender boobs, cramping in stomach, and serious food aversions and cravings 🤦‍♀️ I’m 18, my period is normal and I’ve never had a problem before, unfortunately my boyfriend and I have unprotected sex, a lot 🤷‍♀️ we are young im sorry no criticism please!! I was on the pill but I lost the packet and just haven’t gone back to get any - again please no judgments 🤦‍♀️ please help, could I be pregnant or is it all in my head? 😥