Is back pain every day normal?

I just had a baby 5 months ago but my back is destroyed. Out of nowhere like a month ago it gave out then it gave out again days later And since then it gets stiff and hurts when I’m doing every day tasks. I can’t even hold my baby long, stand up to wash dishes and some days u can’t even walk. Should I see my doctor or is this normal every day after birth pain?

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