A non-hormonal, reversible and non-toxic male birth control could be a step closer, with scientists successfully targeting a protein that's crucial in making fertile sperm. Knocking this protein out for a period of time would give men control over their protection window, much like oral…
Hippocrates wasn’t American and the oath was made sometime around the 4th century BCE. It’s been part of medical tradition since then (at least if you follow ancient Greek tradition)
https://en.m.wikipedia.org/wiki/Hippocratic_Oath
While that is indubitably correct, the only jurisdiction I know that makes binding references to whatever is used as “Hippocratic oath” is the U.S.