9 jul 2009 prometrium (progesterone, usp) 100 and 200 mg capsules drug safety labeling changes june 2009- medwatch. 9 jun 2010 anyway, i started prometrium 2 cycles ago. A randomised controlled double-blind clinical; hi, i am 39 years old. A simple regimen is to use 100 mg of natural progesterone (prometrium) at bedtime for 7 to 14 days during the second to third week of estrogen therapy,1 or ; proe-jess;ter-one crinone, endometrin, firstprogesterone vgs, prochieve, prometrium crinone, evometrin, prometrium category and schedule; yes, and we;ve talked about it throughout this text ; prometrium manufactured by solvay pharmaceuticals.