Yep! It’s also a great way for the mom to remove some lead from her system. It ends up in the babies’ teeth

Yes. Also during pregnancy. A lot of it is diverted to the fetus

Well supposedly there’s enough in the tissue in your brain to make a credit card or a plastic disposable spoon depending on what article you read

If you want an actual answer, there is blood work you can have done to determine that. Veritasium did a video on it recently

Yea it really does. It’s the only way we know to get rid of plastic in blood