Revealed ISIS fighters say slaves become Muslim if raped by ten men

Pregnant women abducted and sold as sex slaves by Islamic State fighters have been forced to undergo abortions leaving them unable to move or speak, freed Yazidi girls have revealed.

ISIS jihadists would bring their own gynaecologists to 'slave markets' in the Sinjar region of Iraq where captured Yazidi women who were found to be pregnant would be subjected to painful abortions so they could be used for sex.

One woman, Bushra, 21, revealed that her friend was three months pregnant when she was captured, and that ISIS forced her to undergo a termination.

Barbaric: Freed Yazidi women captured and sold as sex slaves by ISIS fighters (not pictured) have revealed that women found to be pregnant were forced to undergo abortions so they could be used for sex

'Afterwards, they brought her back. I asked her what happened and how they did it. She said the doctors told her not to speak,' Bushra told CNN.

The young woman was bleeding heavily after the forced abortion, which left her in so much pain that 'she could not talk or walk.'

Another young Yazidi escapee, Noor, revealed that the jihadist she was sold to waited two days before he forced himself on her.

'He showed me a letter and said 'This shows any captured women will become Muslim if ten ISIS fighters rape her.''

She told CNN that he proceeded to rape her before passing her on to 11 fellow fighters who all forced themselves on her.

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Abused: This woman submitted to her captive's sexual abuse when he began to beat her one-year-old son

Murder and terror: Islamic State fighters have slaughtered more than 5,000 Yazidi people and captured up to 500 women and children after raiding their villages in the Sinjar region since August 2014 (stock image)

Noor and Bushra, whose real names have been withheld for their protection, are just two of hundreds of Yazidi women subjected to horrendous rape and torture after being captured by ISIS fighters.

Islamic State fighters have slaughtered more than 5,000 Yazidi people and captured up to 500 women and children in the Sinjar region.

The Yazidis, whose religion has elements of Christianity and Islam, pray to a being known as Melek Taus - which translates to 'Peacock Angel'.

For this reason, ISIS fanatics see them as 'devil worshippers' and under the group's twisted version of Islamic law, give Yazidis the choice to convert to Islam or be killed.

Last month, advocates for the Yazidi people urged the International Criminal Court in the Hague to investigate their persecution as a potential case of genocide.

In a meeting with ICC Prosecutor Fatou Bensouda, two Yazidi groups submitted a report detailing atrocities they allege IS fighters in northern Iraq have perpetrated since August 2014.

They include the summary executions of more than 700 Yazidi men, the killing of the sick and elderly, the rape and enslavement of thousands of women and the abduction of their children, who are forced to convert to Islam and fight for IS.