Carl Clauberg quotes
...Block 10 was made up of mostly married women between the ages of 20 and 40, preferably those who had not borne children. There was a constant fear in Block 10 of being killed, sterilized, or inseminated by Clauberg. He would often tease the female prisoners that they would all undergo sexual intercourse with a male prisoner chosen especially for this purpose. At least one of the Orthodox Jewish women who heard that Clauberg selected her to be a Block 10 prostitute decided to poison herself. After he inseminated the women, Clauberg would often taunt the strapped-in women by stating that he had inseminated their wombs with animal sperm and that monsters were growing in their wombs. Ultimately, 300 women prisoners were experimented on in Cell Block 10...
Carl Clauberg