Are there other causes of pregnancy symptoms besides PMS I

Patient: Are there other causes of pregnancy symptoms besides PMS. I have been waking up with nausea very hungry and constipated and very stuffy nose .I have vertigo so I wouldn’t be able to tell if the dizziness and not being very clear headed is from that or not but seems to happen a little more .I have also had little cramps bloating most of my pms symptoms But I feel pregnant but I have never been regular on my time I just know I usually start anyplace from the 5 threw 15 of each month last month it was the 15 and was I think only 2 full days and an extra day and a half spotting.plz help no clue if I’m pregnant or something else is wrong or maybe I’m just losing it

Symptoms: Read txt think I may be pregnant or going crazy

Doctor: