You have had your periods after the intercourse. So there is no chance of any pregnancy remaining in the uterus. All other symptoms that you are feeling don't help us in diagnosing pregnancy.
If you have doubts regarding pregnancy please get Urine
pregnancy test done after 5 February. If it is negative, then there is no problem. If it is positive, then at that stage you should consult a Gynaecologist on Practo