Women and children rescued from Boko Haram in Sambisa forest by Nigeria Military arrives at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

A girl rescued from Boko Haram in Sambisa forest by Nigeria Military carries her food as she arrives at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

A girl and her mother rescued from Boko Haram in Sambisa forest by Nigeria Military seen with some food as they arrives at the Internally displaced people's camp in Yola, Adamawa State, Nigeria, May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Women and children rescued from Boko Haram in Sambisa forest by Nigeria Military arrive at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Vehicles transporting women and children rescued from Boko Haram in Sambisa forest by Nigeria Military arrive at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Women and children rescued from Boko Haram in Sambisa forest by Nigeria Military register at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Women displaced by Boko Haram violence residing at the IDP camp yola, welcome other women and children rescued from Boko Haram in Sambisa forest by Nigeria Military as they arrive at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Women displaced by Boko Haram violence residing at the IDP camp yola, are briefed before other women and children rescued from Boko Haram in Sambisa forest by Nigeria Military arrive at the Internally displaced people's camp in Yola, Adamawa State, Nigeria May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

A boy plays atop firewood before women and children rescued from Boko Haram in Sambisa forest by Nigeria Military arrive at the Internally displaced people's camp in Yola, Adamawa State, Nigeria, May 2, 2015. (Photo by Afolabi Sotunde/Reuters)

Cicilia Abel, from the local government of Michika, rests with her children at the Malkohi camp for the Internally Displaced People, after being rescued from Boko Haram in Sambisa forest, in Yola, Adamawa State, Nigeria, May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Children rescued from Boko Haram in Sambisa forest wash their hands at the Malkohi camp for Internally Displaced People in Yola, Adamawa State, Nigeria, May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Cicilia Abel (2nd L), from the local government of Michika, rests with her children at the Malkohi camp for the Internally Displaced People after being rescued from Boko Haram in Sambisa forest, in Yola, Adamawa State, Nigeria, May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A mother and her children rescued from Boko Haram in Sambisa forest rest in the domitory at the Malkohi camp for Internally Displaced People in Yola, Adamawa State, Nigeria, May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A woman rescued from Boko Haram in Sambisa forest is seen celebrating her freedom at Malkohi camp for Internally Displaced People in Yola, Adamawa State, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A child rescued from Boko Haram in Sambisa forest carries a baby in front of a clinic at the Malkohi camp for Internally Displaced People in Yola, Adamawa State, Nigeria May 3, 2015. Hundreds of traumatised Nigerian women and children rescued from Boko Haram Islamists have been released into the care of authorities at a refugee camp in the eastern town of Yola, an army spokesman said. (Photo by Afolabi Sotunde/Reuters)

A baby born in captivity to one of the women rescued from Boko Haram in Sambisa forest sleeps at a clinic at the Internally Displaced People's camp in Yola, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Children rescued from Boko Haram in Sambisa forest react as they rest in a room at the Internally Displaced People's camp in Yola, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Children rescued from Boko Haram in Sambisa forest react at the Internally Displaced People's camp in Yola, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Children rescued from Boko Haram in Sambisa forest react at a clinic at the Internally Displaced People's camp in Yola, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

Women clean their premises at the Malkohi camp for Internally Displaced People camp in Yola, Adamawa State, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A child rescued from Boko Haram in Sambisa forest is attended to at a clinic at the Internally Displaced People's camp in Yola, Adamawa State, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A child rescued from Boko Haram in Sambisa forest is attended to at a clinic at the Internally Displaced People's camp in Yola, Adamawa State, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A child rescued from Boko Haram in Sambisa forest is attended to at a clinic at the Internally Displaced People's camp in Yola, Adamawa State, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)

A child rescued from Boko Haram in Sambisa forest is seen at the Internally Displaced People's camp in Yola, Nigeria May 3, 2015. (Photo by Afolabi Sotunde/Reuters)