Ate, this sounds really stressful at nakakabahang situation, pero please see your OB right away or go to the hospital if the bleeding gets heavier or you feel dizzy, okay? Bleeding at 12 weeks with an open cervix needs urgent professional monitoring, hindi lang home observation lang.
A few of us moms in my circle had bleeding during early pregnancy din, pero honestly, each situation is so different, especially with your history ng short cervix at the previous miscarriage. Your OB needs to check you in person, hindi lang over the phone, para makita nila exactly what's happening and make sure baby is really okay. The progesterone is good na you're taking, but right now you need hands-on care.
Wishing you and baby all the strength. Update us after your OB visit, ha?