Hey just looking for some advice, I've been on mercillon for a few years and was recently on anti biotics for a chest infection. Stupidly had sex with my boyfriend without using any condoms while I was on the anti biotics :-(

For about the last week, 10 days, I've been feeling nauseous completely randomly, but a lot at night when I am trying to sleep. Haven't actually been sick though but am having some strange pains/cramps in the bottom of my stomach. Been using the toilet a lot as well, am really tired. Not due my period for another 2 weeks, so was wondering if I could be pregnant and if there would be any point in me taking a test at this stage?? Have a 7 yr old daughter and to be honest all I remember is being violently sick when I was pregnant on her, no other symptoms are in my head at all!