GOODBYE AUNT FLO!

Tee • Mommy to an angel baby born on January 22, 2014 at 20 weeks. #AidenLewis BFP 3/1/2015 BABY GIRL DUE 11-5-15
So af finally ended yesterday and SO and I bd this morning. When should I start using opks? I have pcos but my periods come every 35-40 days.