Sounds like your cervix length is great. Hang in there. It is hard although worth it. I went into PT at around where you are. Complying with doc orders is not an easy thing. Here is the good part. Our child was born at nearly 38 week. I took him home right at 48 hours (labor was a little quick and I never got a full dose of antibiotics. I then had to wait to go home for exactly 48 hours). He was 7 pounds and 8 ounces. Just like he should be doing he is actively driving Dad crazy lots of days