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A gene therapy shot might keep cats from getting pregnant without being spayed

The experimental therapy targets a hormone that prevents ovulation

A photo of four cats perched on a ledge.

Two of these cats, Betty and Jacque (the two light cats), received an experimental gene therapy for contraception. Rosalyn and Michelle (the two dark cats) did not; they were in the control group.

Cincinnati Zoo & Botanical Garden

By Erin Garcia de Jesús

- More than 2 years ago

Invasive surgeries to spay cats could one day be a thing of the past, replaced instead with a single shot.