I don't know how much longer I can take of this pain. I've been having contractions 5 minutes apart for the last 3…

I don't know how much longer I can take of this pain. I've been having contractions 5 minutes apart for the last 3 days...went to labor and delivery and I'm only 80 percent efaced, not dilated but the sides of my cervix is open not the inside. I've never had a baby before which the nurse said this usually happens to women who have had multiple babies vaginally. anywayssss...I get sent home and I'm still going through same pain and my dr. appointment isn't till the 21st to do a freakin ultrasound...to determine when they should have my c section....like wtf...they see I'm in pain and having a 9+pound baby and I'm full term but they still want to continue to have him grow inside of me to be 15 pounds...ugh I'm just so frustrated with these drs. they honestly want nothing but my money..