Need to vent

Been working my job sense April busting my butt off. Working holidays and weekends. Only had Fridays off. This young lady started a month after me. She left a week before she was supposed to leave and there was no issues. Now I had to leave a week before my maternity leave. Last week Tuesday evening I was rush to the hospital having strong contractions and vomiting. Also bad pelvic pressure and could hardly walk. They released and told me to follow up with my ob. Followed up with my ob and they put me on bed rest. I was already approved for Friday,Saturday and Sunday to have off. I already paid to have my maternity/birthday session done and baby shower on Sunday. Come Tuesday to see my ob they told me I can't return back to work until having my baby. I let the manager know. Then an hour later I received a text message from two of my coworkers. I pulled a stunt and great one of them have to work the weekend. I'm not a team player. "I kindly ignored them" I was not approve for fmla the manager stated to me as long as you communicate with me you will have a job and now all of a sudden it change to if the position is open.