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There are chances that you could be pregnant.These features suggest more of an urinary infection than pregnancy
.I would need more info to give a better advice.Let me know when your last menstrual period is and if your periods are regular.
When did you have unprotected sex ?
If it is an infection you would need a course of antibiotics.I advise you to have plenty of oral fluids so as to reduce the infection.
Please provide info as a comment to this post or feel free to mail me.