About to take clomid first time!!!

About to take clomid for the first time , I'm excited and nervous at the same time, hubby and I have been trying to conceive for 8 years and I never really wanted to admit something was wrong never wanted to go see an obgyn up until last month , found out I had pcos. I am 29 yrs old
One question though,, 
DOES ANYONE HAVE AN IDEA IF CLOMID WORKS ON FIRST TRY??  Thanks!😀