Really sorry to hear about what is happening.
Not sure what exactly is your situation but I think you should seek professional advice. Contact a lawyer with expertise on family law. I'm not expert but there should be means for your to gain access to your child as it sounds like there is no amicable way to go about this. Hopefully, there is some mediation that could be carried out to help you get access to your child.
Do take care of yourself.
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