■(3) Toxic factors lead, mercury, DDT, radiation, X-ray (4)Immunologic factors Blood type in compatibility between mother and fatus Imcompatibilily due to abo, rh
◼ (3)Toxic factors: lead, mercury, DDT, radiation, X-ray ◼ (4)Immunologic factors Blood type in compatibility between mother and fatus. Imcompatibilily due to ABO, Rh
3. Pathologic change Most commonly, necrotic changes occur in the decidual tissue about the placentation site and result in hemorrhage into this area As bleeding continues, the sac and the placenta become detached from the uterine wall and are expelled by uterine contractions
3.Pathologic change ◼ Most commonly, necrotic changes occur in the decidual tissue about the placentation site and result in hemorrhage into this area. As bleeding continues, the sac and the placenta become detached from the uterine wall and are expelled by uterine contractions
4 Clinical classification and feature (I) Threatened abortion (2)Inevitable abortion a(3)Incomplete abortion ■(4) complete abortion (5)Missed abortion a(6)Habitual abortion ()Septic abortion(infect abortion
4.Clinical classification and feature ◼ (1) Threatened abortion ◼ (2)Inevitable abortion ◼ (3)Incomplete abortion ◼ (4)complete abortion ◼ (5)Missed abortion ◼ (6)Habitual abortion ◼ (7)Septic abortion(infect abortion)
Differential diagnosis of varied abortions Threatened Inevitable Imcomplete Complete History Bleeding Slight Middle→ severa Slight-→ severa Slight→no Abdominal pain No/slight Aggravate Decrese Tissues are Ne Yes(partial) Complete Gynecologic examination Cervical os Close Open Open/tissue block Close Uterine size Consistent with =/slight small /slight larger Pregnancy test Treatment Protect fetus Curettage Curettage no principle
Differential diagnosis of varied abortions Threatened Inevitable Imcomplete Complete History Bleeding Slight Middle→severa Slight→severa Slight→no Abdominal pain No/slight Aggravate Decrese No Tissues are expelled No No Yes(partial) Complete Gynecologic examination Cervical os Close Open Open/tissue blochk Close Uterine size Consistent with =/slight small < =/slight larger Pregnancy test + +/- +/- +/- Treatment principle Protect fetus Curettage Curettage no
Missed abortion a It is that pregnancy has been retained for 2 months or more following death of the fetus a The abnormally protracted retention of a dead fetus in uterus in over 2 months that don t expelled a Missed abortion is manifested by loss of symptoms of pregnancy and decrease in uterine size
Missed abortion ◼ It is that pregnancy has been retained for 2 months or more following death of the fetus. ◼ The abnormally protracted retention of a dead fetus in uterus in over 2 months that don’t expelled. ◼ Missed abortion is manifested by loss of symptoms of pregnancy and decrease in uterine size