Depends: Knot is a pretty vague term, and the pelvic bones, by definition extend around the hips. So it's really hard to answer the question with a lot of accuracy. They could be caused infectious abscesses, cysts, fat deposits, lymph nodes, a baby... The possibilities are pretty broad without more information.
Answered 7/27/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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