Some Muslims refer to the Qur'an and insist it is religious, as it is spoken about by the prophet Mohammed, who advised those who did it to be careful about how much they removed, and this is often interpreted as an instruction to do it. There is much division between different Islamists. There are Animists, a few Christians and mainly Muslims who practise it, particularly in Indonesia and parts of North East Africa. The levels of invasion are regarded as 'minimal' for many girls who have been circumcised, but nevertheless traumatic and it causes extreme pain and suffering, especially in childbirth. It is often done without anaesthetic.
Similar to what these babies experience, except the girls are teenagers.