Ask the doctor what the genetic problem is. If they know enough to be able to tell you that it is gender linked, they should be able to tell you what it is. It is possible that it has nothing to do with you and your husband together (that is, the combination of you, being too close genetically). A "genetic problem" can also refer to something that has come down from your family only, or from his family only. If from your side, the doctor could advise you about the possibility of using a donor egg. If from his side, donor sperm.
Have the RA factor checked, if one of you is RA negetive and the other is RA positive ( I mean you and the baby) The baby will be unable to stay in, and yes it is genetics also get a different baby doctor, see if you can find an Ob that deals will high risk pregancys, they deal will alot of the genetic as well as other problem you maybe having.....