- A single mother with kids of 1 or 2 men; she selected wrong. She was likely an unstable girl and had a past in her younger years. The child's father bailed out.
- A single mother via IUI (artificial insemination). She likely got strung along in a long-term relationship and by the time she found out he would never marry her, she had wasted years. Not wanting to kill her remaining years, she went to the fertility clinic to it done.