I have been married for 14years now and according...

I have been married for 14years now and according i have no problems that prevent pregnancy but on 2010 we have known that my husband has balanced genetic translocation but he then got married from another woman in 2014 and she had abortion 2times and in june 2016 she has delivered his first son and claimed that she got pregnant in normal way and not IVF and before 2months i knew that she is pregnant again,,,my question why medically i cann't get pregnant as she had although i have done may be 10 times IVF and did genetic test for the embryos before transform them to my uterin,, and they were 5 embroys each time and they were all abnorma in the same chromosoms that my husband had problem with,,,,so why?