Symptoms include frequent fractured bones, muscle weakness, hearing loss, fatigue, joint laxity, curved bones, scoliosis, blue sclerae.
[thesun.ie]
The major symptom of all forms of osteogenesis imperfecta (OI) is bone fragility resulting in frequent fractures.
[childrenshospital.org]
Before entering primary school, frequent non-traumatic fractures occurred every 1-2 years.
[raredisorders.imedpub.com]