Complex sentence: The risk of recurrence is approximately 1:100 in families with bladder exstrophy, and for those individuals with bladder exstrophy who maintain their ability to reproduce the risk of bladder exstrophy is approximately 1:70, or a 500-fold greater risk than the general population.
Split into simpler sentences: The risk of recurrence is approximately 1:100 in families with bladder exstrophy. For those individuals with bladder exstrophy who maintain their ability to reproduce the risk of bladder exstrophy is approximately 1:70, or a 500-fold greater risk than the general population.