Ill or pregnant (slim chance but...)

[smallestblair.livejournal.com]

This has almost 0% of being about my vagina but this is literally my last hope of getting some online advice before having to talk to my mum .-.

Last night at dead on 12:20am I felt so ill. My stomach felt like cramps, but I'm not on my period (I usually get it around the 20th each month) but the cramps felt higher. I felt sweaty and gross, I also felt like I was going to vomit so I sat near the toilet and gagged for 20 minutes but nothing came up. I was shaking, but not badly. I got back into bed because I was tired and then felt cold... I don't know what this means. My boyfriend and I had sex for the first time on the 31st of October but he wore a condom (He didn't even ejaculate in the condom, just finished off in the bathroom because I felt nervous) and then another time but the same thing happened, he didn't cum in the condom or me. Just finished himself off. I ate some meat yesterday (around 7:30pm then later at 12:20am is when I felt ill) and it tasted kind of weird so I stopped. maybe that was it? I feel better now, but my stomach is making weird noises and I feel full of gas (sorry tmi)... Does anyone know what this is? I can't be pregnant because it wouldn't make sense to be.

(Also in addition I have a YI. Could that be contributing to anything or not at all?)