Respectfully, would it be better to deny the (Innocent) Baby the sacrament of baptism and at least whatever portion or amount of church communion, education, catechism and pastoral guidance may be possible for a child caught in such a situation? IMHO, and it’s only how I feel, no. I believe the child shod be welcomed into the body of Christ and allowed to feel s/he has a real home in the Church
There is no other option, unfortunately, given the circumstances, if the Church is to remain Catholic with respect to such situations. Has to wait until adulthood. Situations like this are a consequence of society abandoning Catholicism and God: increasingly more bizarre and unfortunately "parenting" arrangements are to be expected. There is no way they or the children can immedately be accommodated in the Church.
Homo parents are not allowed to receive Holy Communion; why do you think their child feels he has a "home" in that church? Do you really think the parents will refrain from Holy Communion while the child receives his First Communion?
Do you actually think the homo parents will teach their child that sodomy is a mortal sin and that, they the parents, will go to Hell if they continue in their wicked lifestyle?
If, in a local park, a Muslim woman asked you to watch her infant while the mom used the restroom, would you baptize that child?