Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/louisiana-chimps-pregnant-despite-multiple-vasectomies Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story Despite a strict, no-breeding rule, and extreme efforts to stop it, chimpanzees at a Louisiana sanctuary are having accidental babies. Turns out the vasectomies are spontaneously repairing themselves. Miles interviews Chimp Haven’s president and director Linda Brent.