Hello. WELCOME TO HCM:
Your symptoms are varied and do not indicate a pregnancy
actually. But point one thing at least. You may have to undergo few tests namely
1. URINE: ROUTINE AND MICROSCOPY (for increased frequency)
2. A CBC and perhaps a Montoux's test( for low grade evening rise of temperature)- Whether you actually need Montoux's depends on presence of cough/ other symptoms- So you must visit an internal medicine specialist
3. Spotting and cramping before actual commencement of period can be seen sometimes, though it is commoner in midcycle.
4. lastly, if your cycles are regular, you may have to take a home urine pregnancy test if you cross the date of your periods.