here to discuss is doctor nicole safire. it is devastating. the simple question everyone wants to know is how can this happen? reporter: there was a couple in new york who used the same fertility bank in california and underwent ibf treatment and two embryos, this one carried them to birth, but she was giving birth to her twins but her twins came up, she and her husband of asian descent and her children were not, they dig in accessing and the children were not her children the two boys weren t even related to each other. the bank went through to find out, they were two separate sets of parents and after legal proceedings this mother who had these children gave them back so it is devastating for everyone involved in the truth is when it comes to fertility you have 73,000 babies born in the usa from ibf treatments, there is