Getting AF on progesterone supps a concern?

If I still get AF at 12 dpo while on progesterone suppositories (200 mg, 2x/day), does that mean that they are not working properly or my body is not absorbing them? It seems that for most women the supps delay AF.

Any success stories out there of carrying a successful pg after a pattern of short luteal phase and getting AF while on progesterone supps?

I am also on gonal-f injectables and hcg shot to help with follicle development. Despite this + progesterone supps luteal phase is still not 14 days like they like to see. I am wondering if there is something different that might work better. Thanks for sharing any info or experiences you have!