This episode of Sick contains a few curse words and deals with sexual themes.

Just keep that in mind if you have kids around.

From the very beginning I said yes I'll be happy to meet with you and I met with them

in a restaurant at Green Castle and for two and a half hours we talked and I told them

that I would answer any and all questions that they had and I did.

And they asked questions like why did you do this?

On and on and on.

They asked questions about my personal life, my medical history, so on.

Did any of them seem angry?

No.

That was Dr. Donald Klein.

Klein was a fertility doctor and he secretly used his own sperm to impregnate dozens of patients in the 1970s and 80s.

He had misled the mothers and then at the meeting he was just describing he lied to their grown children.

And despite what he said, they were angry.

This is Sick, a podcast about what goes wrong in the places meant to keep us healthy.

I'm Lauren Davis.

I'm Jake Harper.

This season we're looking at fertility treatment and one Indiana doctor's abuse of power.

It took years for Klein's deception to be uncovered.

No one knew about it until DNA testing became widely available.

Eight half siblings found each other and they wondered how are so many of us related.

They were all but certain that Klein, the doctor of all their mothers, was their biological father.

...