Above tail bone pain (13 weeks)

N • Beautiful Nikolai born 12/29/17 👶💙 Lucca born 1/13/21🌻 In love and feeling myself 👨‍👩‍👦‍👦
Feels like someone took a hammer to my tailbone and the pain radiates down my thigh when it's really bad. I sometimes have to hobble when I walk and occasionally when standing up I have to hold my breath because it hurts really badly. Is this just that darn relaxin hormone loosening my pelvis? Cause this hurts like a bitch.