Hi I had unprotected sex on 2nd of December, my period was on 23 of December, but still it not came (31st December). I took pregnancy test (clear blue plus in the morning) but its negative. I have very bad pain in right side of lower belly, have morning sickness, frequent urination, warm vagina, spotting. I think am really pregnant... Can anyone tell me is any chance of pregnancy?

Fairly good. You tested to early. You should be at least 2 week late, to start testing, even then sometimes false negatives. So wait a week and test using first urine of morning when you wake up

Yes, there's a chance of pregnancy. Any time you have sex, pregnancy is possible. But are you? We can't tell you. The only ways to diagnose pregnancy are with urine, blood, or an ultrasound in later pregnancy. None of those are available online.

You tested way too early. False negatives are common. So wait until your period is at least 2 weeks late, then test with first morning urine. If that test is negative, wait and see what happens with your next period. If you miss it, test again or get a blood test done.

Pregnancy symptoms are not enough to diagnose pregnancy, as many other things have the same symptoms as pregnancy, including PMS.

Good luck.