These kinds of crimes are, sadly, more common than you'd think...
Typically, if the child does survive, they end up requiring numerous reconstructive surgeries and often end up with their reproductive organs so damaged that they can't ever bear children.
So, not only does the person have to endure the knowledge that someone violated them as an infant, but they then have to cope with knowing they'll never be able to have children. No surprise that victims of this crime end up requiring lots of therapy and tend to manifest issues such as depression, eating disorders, and suicidal tendencies...
Bearing all that in mind, the courts really ought to set the penalty for a crime like this as life imprisonment or death -- because the offender has basically ruined someone else's life even before it got started.