There are five categories of immune problems that can cause pregnancy loss, IVF failures and infertility.
Read on...http://www.repro-med.net/info/cat1-5.php
I'm 38 had three faild IVFs and I also have an antigen called HLA-B27 positive. Could this be one of the reasons I'm not able to concieve a child? After finding this website http://www.repro-med.net/info/cat1-5.php I am ready to find out more information and have immunology blood tests done before I embark on any further fertility treatment. If you find the information useful, please pass it on.
Andi