After reading your post, I do agree with both Cari and Andy.
Before I tell you my side of story, please do not judge your wife by her, with holding the information. She may not mean it, because to many people, its not a big deal because they do not know the consequences and effect in the marriage.
My husband and I are both Chinese. Being pale in my early years(till now) did not bother me because nobody told me my family from my mum's side has thalassemia except I knew one of my cousin was pale and needed to take folic acid daily because of his "poor health". I am still guessing whether my dad has thal till this date because it would matter to my youngest brother.
I knew I was slightly anaemic in a routine blood test but it wasn't a problem to me because I took Hb electropheresis with one of the pathology lab and it rule out I'm "NORMAL", therefore I proceeded with the marriage with my husband assuming life is going to be great! Only during my pregnancy my hemoglobin(hb) fell, the doctors(I've seen numerous doctors) are running series of test after test, without finding out the reason of my anaemia. The doctors also "assumed" I'm NORMAL, therefore gave me iron pills and inferon injections and transfusion, contributing to my iron overload to these days.
I only found out the root cause of the problem after the delivery of my first child, that I carry alpha thalassemia, with gene deletions and presumably some mutations(which is not able to confirm to this date). I was classified from a minor, to a trait and now a HbH because my Hb was never higher than 10 for the past few years. I am still "looking" at the exact deletions and mutations which my local hospital still failed to find out despite going to the clinic for the past 6 years because what I have is rare hemoglobinopaties.
I have 2 childrens. Unfortunately both of them carry the alpha thals but I had no official report of whatsover mutations/deletions they carry except for one. My husband refused to be tested, he assumed he is normal because he is a blood donor. My mum-in-law at times are "mad" because his son married a thal(I assumed if I knew I have thal, maybe my mum-in-law will oppose to this marriage?) because I passed the genes to my children. I did not know I have the gene in the first place!
I didn't know that my cousins are thals until I told my mum I am anaemic and she only took the initiative to find out from my aunties after the delivery of my son. She didn't know she was a thal until I told her she must be the one who carries the gene because her sisters had it! I told her to talk to my brother who got married last year about thal but she did not, saying what's being done is done. They are married, do not disrupt people's life. Since my mum wouldn't discuss, therefore I, on the other hand took the effort to talk to my brother. I asked whether he has done any blood test. He said both of them are fine. I told him that he needs DNA analysis but he heeds me not. Now I only pray that both of them will bear healthy children.
Society stigma is still prevalent among Chinese community. To the older generation, they would not rather, let people know the disease runs in the family, else their children will not be able to find a spouse. Having carried the gene myself, I do not mind other people know I have thal, even among my friends. At least, having known that I carry the gene, my next task is to find out what are the mutations/deletions my children carry, to ensure they will find a compatible partner.
It is hard to accept at first but since you have accepted her as your spouse, forgive her, she might not mean it. She may just be like my mum, having little knowledge of thal, and the thal stigma. Your next goal is to find out what type of thal you have for your family planning. This forum is very informative. You can read up a lot of sharings and learn from each other. Therefore, I wish you all the best.