Are these early labor signs? Ftm?

Sharp pain on my left side towards my back, I slept on my left side to relieve the pain and it occurred a few times. I'm getting Braxton hicks (tighten tummy) a few times every hour. And just earlier I felt this big pressure on my rectum and pelvic. I have been losing my mucous plug for a few days also. Currently 34 weeks and plus I have this pain on my tailbone that comes and goes