Add punctuation: They cause growth and development of male sexual organs secondary sex characteristics and increases in muscle size and strength
A: They cause growth and development of male sexual organs, secondary sex characteristics, and increases in muscle size and strength.

Add punctuation: Ultrasonograms of the anal sphincters following stretching demonstrate trauma that extends beyond the desired area
A: Ultrasonograms of the anal sphincters following stretching demonstrate trauma that extends beyond the desired area.

Add punctuation: The plans must ensure rapid information of managers of bathing water as well as of the public
A:
The plans must ensure rapid information of managers of bathing water as well as of the public.