I think it is her choice not to be a mother. If she REALLY loved her kids she wouldn't put them up for adoption she would figure a way out to not make the kids suffer by living in the orphanage for the rest of their childhood
alright well here's the deal. It's ok to do that, and it's ok NOT to be a mother, but a mother is someone who cares for you, takes care of you, tells you your gonna be ok when you fall down. Someone who talks to their daughter about "girl" stuff, or to their son about treating a girl right. Someone who cries when their kid graduates, takes them to the dentist, has inside jokes, and is way overprotective. So this person is not a mother no.