In 1965, George and Charlotte Blonsky, a married couple living in New York City, were granted US patent #3216423 for an “Apparatus for Facilitating the Birth of a Child by Centrifugal Force”.

APPARATUS FOR FACILITATING THE BIRTH OF A CHILD BY CENTRIFUGAL FORCE — Science Gallery Dublin
In 1965, George and Charlotte Blonsky, a married couple living in New York City, were granted US patent #3216423 for an “Apparatus for Facilitating the Birth of a Child by Centrifugal Force”…
Uh oh. ?