Spontaneous abortion in multiple pregnancy: focus on fetal pathology |
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Authors: | Joó József Gábor Csaba Ákos Szigeti Zsanett Rigó János |
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Institution: | Semmelweis University, General Medical Faculty, 1st Department of Gynecology and Obstetrics, Hungary. joogabor@hotmail.com |
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Abstract: | Multiple pregnancy with its wide array of medical consequences poses an important condition during pregnancy. We performed perinatal autopsy in 49 cases of spontaneous abortion resulting from multiple pregnancies during the study period. Twenty-seven of the 44 twin pregnancies ending in miscarriage were conceived naturally, whereas 17 were conceived through assisted reproductive techniques. Each of the 5 triplet pregnancies ending in miscarriage was conceived through assisted reproductive techniques. There was a positive history of miscarriage in 22.4% of the cases. Monochorial placentation occurred more commonly in multiple pregnancies terminating with miscarriage than in multiple pregnancies without miscarriage. A fetal congenital malformation was found in 8 cases. Three of these cases were conceived through assisted reproductive techniques, and 5 were conceived naturally. Miscarriage was due to intrauterine infection in 36% of the cases. Our study confirms that spontaneous abortion is more common in multiple than in singleton pregnancies. Monochorial placentation predicted a higher fetal morbidity and mortality. In pregnancies where all fetuses were of male gender, miscarriage was more common than in pregnancies where all fetuses were female. Assisted reproductive techniques do not predispose to the development of fetal malformations. |
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Keywords: | Spontaneous abortion Multiple pregnancy Monochorionic placentation Perinatal autopsy Developmental disorders Intrauterine infection |
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