Am J Obstet Gynecol 186 77 83. <a href=http://clomida.com/>letrozole vs clomid for fertility</a> I got a you can decide if you think the progesterone will help answer after asking my doctor whether I should take it with my first round of clomd this month - even though I have a poor reaction to it last time it made my cycle SHORTER giving me only a 7 day luteal phase but do have very low progesterone.