What are signs are for pre labor

Lilibeth

So I'm 35 weeks now on Sunday I will turn 36 weeks but since last week and now I been getting alot of lower back pain and abdominal pain, pelvis pain so bad, nausea I'm just worrying alot because this pain are killing me so bad.

And this is my 4th child I never felt this way with my other 3 pregnancy.

My frist daughter was born at 39 weeks ( 6 pounds and 19 inches)

My second daughter was born at 38 (5 pounds and 11oz and 19 inches)

my son was born at 39 weeks (7 pounds and 8 oz 19 and the half inches)