I have been receiving weekly progesterone shots since 18 weeks and just has my last one today, yay! I was prescribed Terbulatine for contractions on an as needed basis only and only took it once (because I despise it!). Saw my peri today and baby weighs 5lbs and 7 ounces. He didn't seemed concerned at all if I go into labor at this point. Also saw my OB today and she said the same thing as well. FWIW, I have a cerclage and am about 1 cm dilated and they both said that they would just take out my cerclage early if I went into labor (scheduled to take it out at 36w5d). i am having some irregular contractions tonight and am wondering at what point can I not even think about taking my terbulatine to stop them?