California medical officials have revoked the license of the fertility doctor who helped "Octomom" Nadya Suleman become the mother of 14 children through repeated in vitro treatments.
The Medical Board of California said Wednesday its decision is necessary to protect the public and becomes effective July 1.
The state licensing authority launched an investigation into Dr. Michael Kamrava's practice not long after Suleman's octuplets were born in January 2009.
In licensing hearings last year, the Beverly Hills fertility doctor acknowledged implanting 12 embryos into Suleman prior to that pregnancy - six times the norm for a woman her age.
The board says Kamrava also treated two other patients negligently.
© 2011 The Associated Press.