Cathy M. Rosenthal
Dear Cathy: I am the birth-control advocate. We have had birth control for the human species for over 50 years. Why don’t we have effective non-surgical sterilization for our beloved dogs and cats that suffer so in most parts of the world? — Francine, Killingworth, Connecticut
Dear Francine: Researchers have been trying to develop a pill or injection to address pet reproduction for more than 20 years now. Dogs’ and cats’ reproductive cycles are uniquely different from humans’, so coming up with a solution has been challenging. Some previous efforts have led to severe side effects.
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