Clomid Questions

Ashley
Hi Everyone! 
I'm on my second round of clomid, 50mg and had my ultrasound yesterday, cd12. My doctor said I don't have a dominate ovary like I did last month but many follicles. She said that it may just be that my cycle is 35 days this month and I should actually ovulate next week. Has anything similar happened to anyone? One month more time frame ovulation, next longer time frame? 
Thank you!