The insides of a (once) living creature is a memory that doesn't go away and brings with it a respect for life.
Which is why hunters hunt for food and not sport.
I think it's in a man's DNA to have a deeper appreciation for the life of a child in the womb of a woman ( his wife), than the woman.
SHE has a spiritual connection only (imo), but men have a more pragmatic comprehension because a baby is a human being and not an animal.
MY two cents' worth.