<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi we have two daughters now My wife at the end of june 2011 had got copper T 375ug 5 Years inserted a few days back we had sex without the use of condom now she is feeling Vomiting sensation, Stomach Pain below the abdomen ,Drowsiness weakness in the body having fever are these the symptoms of pregnancy? is Pregnancy possible? and if not what extra measures we should take to avoid unwanted pregnancy have a healthy sex life alongwith Copper T Is putting on Condoms also necessary?  <response>: Hello dear. Understand your concern. Look, each all contraceptive methods has some failure rate.like.copper t has 1 failure rate means if 100 womens used it then 1 women has chance to be pregnant. Condoms he also 2-5 failure rate. So dont worry dear, no need to do some extra efforts...may be this symptoms due to indigestion or anxiety.so be calm...if u he to doubt then do UPT or blood Chat Doctor test if period will be delayed by 10-12 days from normal expected period date.just GO FOR FOLLOWING INVESTIGATION: CBC, VIDAL test, Microscopic slide examination to rule out the infection. Take Paracetamol for fever, proper rest, healthy diet .hope this will help you. Best regards. Chat Doctor. 