Miscarriage

I’m 15, my boyfriend is 16 and we’ve been together for over 3 years now. We have always been extremely close and last month i had a miscarriage. It’s been ripping me apart and I’m so heart broken. Part of me knows i would have struggled extremely hard with school and balancing everything but my heart feels like it’s breaking more everyday. Knowing i won’t be able to meet my little angel hurts so bad. Am i even considered a mom? Am i allowed to be sad? My boyfriend hasn’t been taking it as hard but completely supports me when i have my bad days. Does anyone have advice?