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At what age does your pelvis fuse?: A breakdown of skeletal maturity

The human pelvis is made up of several bones that begin as separate cartilaginous structures in childhood before fusing into one solid unit during and after puberty. This complex process of fusion doesn't happen all at once, with different parts of the pelvic bone, including the sacrum and the hip bones, completing their union at varying times to fully answer the question, "At what age does your pelvis fuse?".