I've considered becoming a teacher before, and one of the reasons that I didn't was that I just didn't want to be responsibility for the welfare of children. If something ever happened while they were under my care, I'd feel horrible if something happened, even if it wasn't my fault. Not to mention the liability in the eyes of parents, who can be less than reasonable when it comes to their children.
I've also refused to take care of children of friends and family, for similar reasons.
Finally, I've decided not to ever have children of my own, once again partly because I just don't want the responsibility, and partially out of a concern that I'd probably just screw it up somehow. Not to mention that the world is way overpopulated as it is, and it doesn't need me adding yet another person to the mix.
Not only is there correlation but there is causation. And it applies not only to sexual abuse but to physical and emotional/mental abuse too.
So yes, having shitty parents is more likely to result in children turning into shitty adults. It's not a foregone conclusion but the odds are not in the child's favour.
> What to report
> Child abuse includes physical, sexual and emotional abuse, and neglect. You can read more about the signs of child abuse.
To be fair everyone feels this way before having kids. No one is a perfect parent and there is no particular point at which anyone is "ready" to take care of kids. But that being said I think just having that thought is far beyond the consideration that most people put into having children. It comes down (generally) to a selfish desire of simply getting something that you "want", rather than thinking through the consequences of creating another human being.
A chest child carrier totally solves that problem.