Hello ma'am and welcome.
You have failed to mention information like your age, sexual status, stress
levels, any diagnosed conditions, infections, medical history and so on. All these factors can easily contribute to a hormonal
imbalance which in turn could be the cause for your symptoms.
Of course pregnancy
is one probability, but there are many others. Pleasd discuss your case in detail with your doctor or write back to me for any further assistance. I would be more than happy to help.
Hope this helps.