Sickness

I had the worst flu/cold/sickness for 2 weeks, i rately get sick and assumed it was the flu because there was a bug going around and change of weather. I dont like going to the docs so dont really know what it was. Ive nevwr been sick for more then 1-2 days and esp barely wanting to eat(which is i heard is notmal when really sick) before i found out i was pregnant.. Im scared that i was already pregnant before my sickness and if i was is me being sick for that long bad for my pregnancy, im 5 weeks now and that time i was prob 1 week or getting to my 1st week, please let me know all the opinions you think.