Who should decide a child's gender: the child, their parents, their doctor, or their government?

What do you think, and why?

Children should be allowed to decide their own gender.
Parents should be allowed to decide gender for their underage children.
Doctors should be allowed to decide gender for their underage patients.
Government should be allowed to decide gender for its underage citizens.
Select gender and age to cast your vote:
Updates
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I am not asking HOW a child's gender should be decided.
I am asking WHO should decide it.

Feel free to add on how you think a child's should be decided, but please don't forget to also actually answer the question by saying WHO you think should decide it.

Thank you.
Who should decide a child's gender: the child, their parents, their doctor, or their government?
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