Jan 4, - The year-old is seven months pregnant and has had enough of strangers judging her. Teen girl's plea: 'Leave my tiny baby bump alone'. This is a list of youngest birth mothers between 5 and 10 years of age. Contents. 1 Age 5; 2 Age .. The girl became pregnant by a neighborhood teen whose identity she swore to protect. .. her through a Haitian Creole interpreter (she spoke only little English, having arrived illegally in the U.S. only 30 months before).