The heredity that recrudescent sex nature aborts and immune element
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In patient of abortion of recrudescent sex nature, the matter is more complex. Much clinical research discovers, genetic element is in recrudescent sex has certain proportion in natural abortion. Clinical convection produces embryo to make nucleus analysis discover, there is occurence rate in the patient, be more than apparently abort repeatedly connubial chromosome is unusual rate, and connubial oneself element and environmental element all can bring about embryonic chromosome unusual. Commonner chromosome is unusual, if be not,work times body, polyploid, chromosome other, and sexual chromosome is unusual etc, all can cause embryonic development unusual and abortion.

Modern medicine considers to confirm, if a lot of antigen organize consistence antigen (HLA) , alimentary cell antigen, blood type antigen and fight phosphatide antibody, fight the spermatozoon antibody, antibody that fight a nucleus, fight thyroid antibody, fight insulin antibody, close antibody all concern with natural abortion close. In all reproduction process of the female, be like the happening of ovum and development, be fertilized, of pregnant egg embedded, embryonic development and fetal childbirth, in fetal with there is extremely complex immunology issue between the mother, natural abortion should appear when immune function is unusual.

HLA concerns with what abort naturally. Organizing consistence antigen is surface of cell of a kind of consist in can cause intense repulsion to send answering antigen, to pregnant woman character, embryo is half oneself the immune implant of half dissident, organize HLA to have important import in the immune reaction that matters to embryo to survive consequently. Constituent consistence antigen can be divided wait for A, B, C, D and DR a variety of, when should producing the reaction with repellent and fetal system of immunity of the mother's body, can bring about natural abortion.

System of blood type antigen concerns with what abort naturally. In husband and wife of disagreement of ABO blood type, make an appointment with 1/5 happening abortion, because there are cranny or certain blemish on placental protective screen,its mechanism is, make fetal red blood cell has opportunity classics placenta to enter the mother's body, make the mother is sent quick and produce corresponding antibody, antibody crosses placental interference again fetal organ is formed and embryonic development brings about abortion, when Rh blood type is different, if the husband is Rh (electropositive) , the wife is Rh-(negative) when, rh (is electropositive) fetal red blood cell can enter the mother's body via placenta and produce antibody, this antibody is entered oneself make inside fetal body fetal be damaged and abort.