A woman gives birth to a baby twin in the back of a UNICEF vehicle assisted by a medic as she travels in a African Union operation in CAR (MISCA) convoy escorting about one thousand internally displaced Muslims to the northern towns of Kabo and Sido on the border with Chad April 28, 2014. The woman was one of three pregnant wives of a man that are travelling in the convoy. REUTERS/Siegfried Modola (CENTRAL AFRICAN REPUBLIC - Tags: POLITICS CIVIL UNREST CONFLICT RELIGION) 

A woman and her newborn baby are transported from the Army's Special Medical Attention Station, where she gave birth, at the local hospital, after a series of aftershocks, in the northern port of Iquique April 4, 2014. As the aftershocks from a massive 8.2 magnitude quake that rattled northern Chile entered a third day on Thursday, basic services were still out in the port city nearest the epicenter and residents fearful of tsunamis were fleeing into the hills. The quake on Tuesday was blamed for six deaths and residents have been hit by dozens of aftershocks. REUTERS/Ivan Alvarado (CHILE - Tags: DISASTER ENVIRONMENT HEALTH TPX IMAGES OF THE DAY) 

A relative holds newly born baby Beatriz as her mother recuperates at a makeshift birthing clinic in Tacloban city in central Philippines November 11, 2013. Dazed survivors of super Typhoon Haiyan that swept through the central Philippines killing an estimated 10,000 people begged for help and scavenged for food, water and medicine on Monday, threatening to overwhelm military and rescue resources. REUTERS/Erik De Castro (PHILIPPINES - Tags: DISASTER ENVIRONMENT HEALTH) 

A newborn baby is washed at a temporary shelter in Marikina City, Metro Manila August 9, 2012. Large parts of Manila were still swamped in floods on Thursday, after continuous rains pounded the capital overnight. REUTERS/Cheryl Ravelo (PHILIPPINES - Tags: DISASTER ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY) 

A woman, who gave birth to her baby (front) on Sunday during Niger's evacuation of Nigerians displaced by Boko Haram militants, smiles while resting at a camp for displaced people in Geidam, Yobe state, Nigeria, May 6, 2015. Niger has evacuated Nigerians living around Lake Chad, military and aid officials told Reuters on Tuesday, as the armies of four west African nations battle to quash the Islamist militants. Picture taken May 6, 2015. REUTERS/Afolabi Sotunde TPX IMAGES OF THE DAY

Madame Marcus holds her five-minute-old baby boy after giving birth to her second child at a makeshift hospital run by B-FAST (Belgian First Aid and Support Team) in a suburb of Port-au-Prince January 20, 2010. A new earthquake shook the devastated Haitian capital on Wednesday morning, creating panic among survivors of last week's devastating quake camped out in the streets but apparently causing no new destruction. The powerful 6.1 magnitude aftershock at daybreak sent shrieking Haitians running away from buildings and walls in the shattered city fearing a repeat of the magnitude 7 earthquake that killed tens of thousands of people eight days ago. REUTERS/Wolfgang Rattay (HAITI - Tags: DISASTER SOCIETY IMAGES OF THE DAY) 

Zahida Perveen looks towards her new born twin boys from inside an Army helicopter after being rescued from flood waters in the Muzaffargarh district of Pakistan's Punjab province on August 9, 2010. A Pakistani woman stranded by the country's worst floods in 80 years gave birth to twin boys on Monday, bringing joy to soldiers and villagers struggling amidst death and destruction. REUTERS/Adrees Latif (PAKISTAN - Tags: DISASTER ENVIRONMENT SOCIETY IMAGES OF THE DAY) 

A Ghanaian woman (R) who gave birth to a baby as she fled the unrest in Libya into Niger, is assisted by a member of Medecins sans Frontieres in Agadez, northern Niger September 15, 2011. REUTERS/Luc Gnago (NIGER - Tags: SOCIETY CIVIL UNREST IMMIGRATION HEALTH) 

A newly born baby boy rests on the chest of his mother who gave birth in a makeshift delivery room beside an evacuation centre for flooding victims in Cainta Rizal, east of Manila October 8, 2009. REUTERS/Erik de Castro (PHILIPPINES ENVIRONMENT DISASTER SOCIETY HEALTH) 

A man touches his baby, who was born three days ago, at the Israeli hospital in Port-au-Prince January 20, 2010. Foreign governments and aid agencies have flown in medics from around the worldto help earthquake survivors but they were only able to get to work in the past couple of days. REUTERS/Carlos Garcia Rawlins (HAITI - Tags: DISASTER ENVIRONMENT HEALTH IMAGES OF THE DAY) FOR BEST QUALITY IMAGE: ALSO SEE GM1E6BJ0HB601.