Incase if you are currently expecting one of yours back home, this might be what is stopping her from showing up.

Nigerian officials are desperately seeking the release of up to 1,000 Muslim women held in a Saudi airport jail for traveling without approved chaperones. The women, some of whom have been held since Sunday, had been enroute to make the Muslim Hajj pilgrimage to Mecca. Nigeria's ambassador to Saudi Arabia told the BBC the authorities were stopping women under the age of 35. Diplomats pressed into service from Abuja were stumped by the development as there had been an understanding in the past that Nigerian women were exempt from traveling with a male relative - a requirement for women on the Hajj. A longstanding agreement between National Hajj Commission of Nigeria and the Saudi authorities allows visas to be issued for Nigerian women going to Mecca as long as they are accompanied by their local Hajj committee officials.
 
But since Sunday, hundreds of Nigerian women have been stopped at the airports in Jeddah and Medina. Nigeria's ambassador to Saudi Arabia, Abubakar Shehu Bunu, said he made a formal protest to the foreign affairs office in the capital, Riyadh, today, Wednesday ::: Source