Yeah the earlier in cycle means more eggs but not very good egg quality, so I didn't want to do cd1 thru 5, and cd3 thru 7 didn't sound so promising the very few that claims si gave them twins took it on cd1-5 and 2-6, so I chose cd2-6 because its a little better egg quality than 1-5, but want vitex because it sways girls, so 2-6 si and then 7 thru O vitex I just didn't want vitex to cancel out more eggs being released(assuming si works) I have been taking vitex since I m/c on july 17th to get my system back in order faster to start ttcing next cycle, so I am thinking to not do vitex next cycle and then just do si (I know probably won't get twins lol I just wanted to give it a try :) )