My wife had a miscarriage on her 6month. i would like to ask if there blood miss match on the parents that caused the miscarriage? thanks! elmarc o.

Doesn't sound like i: The blood 'mismatch' issue you describe sounds like isoimmunization, and those babies are at risk of death (stillbirth) more so than miscarriage. If your wife had cramping before the miscarriage: sounds like preterm labor and often we don't find out the exact cause (but infections can be a cause); if she had painless dilation of the cervix (or hx of surgery on cervix, or many d&c's):poss incomp.Cv.