There are many types of Osteogenesis imperfecta and this is about type 1. Type 1 is the least damaging one. people with type 1 have fractures when their kids and when their older the get less fractures.
this is type 2 Osteogenesis imperfecta. Type 2 is the most damaging one when your born you have small arms and legs messed up hips and ribs.
how do you get it
you get the desease by having two geanes from your parents