I have a hard time imagining how such a thing could evolve. Making reproduction more difficult is literally the opposite of what it does, so it had to have been somehow worse to begin with.
I dunno, ducks have maze-like vaginas to avoid pregnancy from rape. Evolution optimizes for the survival of the species, not for reproducing some maximum possible amount. Perhaps they evolved when limiting reproduction wad a benefit to the species.
I have a hard time imagining how such a thing could evolve. Making reproduction more difficult is literally the opposite of what it does, so it had to have been somehow worse to begin with.
I dunno, ducks have maze-like vaginas to avoid pregnancy from rape. Evolution optimizes for the survival of the species, not for reproducing some maximum possible amount. Perhaps they evolved when limiting reproduction wad a benefit to the species.
i mean, birth isn’t exactly a fun experience for humans, and yet, there’s quite a few of us here