Is Prolifen Advisable For Reduced Follicular Size?

Hi, ive been having lezra for 5 months, 2 tab per day, on 5th month of treatment I got pregnent bt with in a month I got a miscarriage, now aftr miscariiage I had lezra again bt my folicular size was 0.6, now my gyne sugested me to have prolifen..plz guide me wht to do, nd ive so much pain on lower back nd on heels, my weight is 75 kg.nd m 15 months married nd still survivng to get concieve..