Follicle Size?

JEN • Married 12/31/11 TTC since 1/1/12. We suffered a mc 12/23/14 :( started 2015 we did injections, still BFN, did 1 IUI BFN finally moved to IVF (long lupron protcol) in Sept. BFP! EDD 07/17/16
Hey ladies, what were your follicle sizes when the dr told you to trigger? I know they like to trigger when you're 20-24 but I'm just wondering. I won't know toll Friday how many I have (thanks to stims) and how many I have. What day did you trigger?