My 2nd IUI I started out off with two vials for every evening. Unintended effects: I was on both equally Follistim and Menopur simultaneously and I don't know which a single brought on it, but I bought terrible head aches. Also the Menopur burns when injecting but it absolutely was https://ivfmedsmenopur6.wordpress.com/2022/04/19/10-ways-to-save-money-on-menopur/