Could Severe Abdomen Pain Along With Delayed Periods And Vaginal Mucus Plug Be Due To Pregnancy?

I haven't had a period since December 1, it lasted only 4 days. They usually last 7. I have been having bad adodmen pains in my lower left back aches in my left side to. My cervical mucus is thick and white. I've taken 4 hpt. 2 was positive 2 was negative. My temperature is always hot I feel like I'm burning up. IS it a high chance im pregnant???