Actually I don’t think that it said she was the mother. It just said “a woman”, which, to me, raises some other questions.
Excellent point that made me look a bit further...
http://www.myfoxchicago.com/story/24549893/gary-woman-admits-selling-baby-for-sex
“....she met Christopher M. Bour through a dating service in 2011 and that they agreed to meet at her place. That was when Bour started asking her about two children she had access to, both girls, who were 4 months and 3 years old at the time.”