As you probably know, I’m baptistic, so I don’t believe infants should be baptized, and I strongly disagree with the answer to this question in the Heidelberg catechism.
Question 74. Should infants, too, be baptized?
Answer: Yes. Infants as well as adults are in God’s covenant and are his people. (a) They, no less than adults are promised the forgiveness of sin trough Christ’s blood and the Holy Spirit who produces faith. (b) Therefore, by baptism, the sign of the covenant, they must be received into the Christian church and distinguished from the children of unbelievers. (c) This was done in the Old Testament by circumcision, (d) which was replaced by baptism in the New Testament (e)
(Scriptural proofs after the fold.)