Can I get my job back that I quit?

I believe I quit sometime in February. I started in September. I regret quitting my job everyday! I honestly loved it but I was being immature and quit. I live in a small town in southern Il population 9,000. The company I worked for was locally owned by a man in the next town,way smaller the mine. Of course I had my stresses there with my co workers all the time,and my boss was mean just because I was new.It was 40 hours and got paid weekly. My fiance and I moved in together right at that time I started working there. I just fill worthless that he's the only one working. He makes good money but we aren't rich so it would help if I wasn't stupid and quit. Bottom line I had to be open at 6am. I had a key to unlock the door and I was the only one there till 130pm. So one morning I was mad at my boss decided not to come to work. Hints the store wasn't open till they found out I was a know show. They called me and called I answer and they were pretty pissed off. She said I was on thin ice but I could come in tomorrow. So I was like um Im quitting that's why I didn't show. It was just a big mistake. To top it all off 2 weeks after I quit I find out I'm pregnant Lovely right? But every customer that came to that store said I was the nicest sweetest thing there. I still see them around town and they all say they miss me.