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{"id":178,"date":"2013-02-16T15:38:51","date_gmt":"2013-02-16T13:38:51","guid":{"rendered":"http:\/\/izmirkarsiyakakadindogummerkezi.com\/down-sendromu-ne-siklikta-gorulur\/"},"modified":"2013-02-16T15:38:51","modified_gmt":"2013-02-16T13:38:51","slug":"down-sendromu-ne-siklikta-gorulur","status":"publish","type":"post","link":"https:\/\/izmirkarsiyakakadindogummerkezi.com\/down-sendromu-ne-siklikta-gorulur\/","title":{"rendered":"Down Sendromu Ne S\u0131kl\u0131kta G\u00f6r\u00fcl\u00fcr"},"content":{"rendered":"
\u0130nsanlar, genellikle Down sendromlu bir bebekleri olaca\u011f\u0131n\u0131 hi\u00e7 akl\u0131na getirmez. \u00c7\u00fcnk\u00fc\u00a0bu, ailelerde s\u0131k g\u00f6r\u00fclen bir durum de\u011fildir. Baz\u0131 ki\u015filer, yaln\u0131zca ge\u00e7 ya\u015fta do\u011fum yapan kad\u0131nlar\u0131n Down sendromlu bebekleri olaca\u011f\u0131n\u0131 sanmaktad\u0131r ancak bu tam\u00a0do\u011fru de\u011fildir. Herkesin Down sendromlu bir bebe\u011fi olabilir, ancak risk ya\u015fla birlikte artar.<\/p><\/blockquote>\n
Anne ya\u015f\u0131na g\u00f6re Down Sendromunun g\u00f6r\u00fclme oran\u0131<\/p><\/div>\n
Ne kadar iyi s\u00fcr\u00fcc\u00fc olursa olsun, direksiyona oturan herkesin kaza yapma olas\u0131l\u0131\u011f\u0131 vard\u0131r. Anne aday\u0131n\u0131n bebe\u011finde Down Sendromu, ba\u015fka kromozom hastal\u0131klar\u0131 ve kromozomlarla ilgisiz ba\u015fka hastal\u0131klar\u0131n olma olas\u0131l\u0131\u011f\u0131 her zaman vard\u0131r. \u015eimdi Down Sendromu ve s\u0131k g\u00f6r\u00fclen di\u011fer kromozom hastal\u0131klar\u0131n\u0131n olas\u0131l\u0131\u011f\u0131na bakal\u0131m.<\/p>\n
Her gebelikte bebe\u011fin Down Sendromlu do\u011fma olas\u0131l\u0131\u011f\u0131 vard\u0131r.\u00a0Down sendromu (21 trizomi) 1000 bebekten\u00a0birinde, Edwards sendromu (18 trizomi) 5000 bebekten birinde, Patau sendromu (13 trizomi) ise 14.000 bebekten birinde g\u00f6r\u00fcl\u00fcr.<\/p>\n
Down sendromu ve di\u011fer trizomilerin\u00a0olas\u0131l\u0131\u011f\u0131n\u0131 art\u0131ran ve azaltan fakt\u00f6rler var. Nedir bunlar?<\/p>\n
\n
Anne aday\u0131n\u0131n takvim ya\u015f\u0131:<\/strong> Yap\u0131lan \u00e7al\u0131\u015fmalarda anne aday\u0131n\u0131n ya\u015f\u0131 ilerledik\u00e7e bebekte Down Sendromu bulunma olas\u0131l\u0131\u011f\u0131n\u0131n artt\u0131\u011f\u0131 saptanm\u0131\u015ft\u0131r. Kad\u0131nlarda ergenlik \u00e7a\u011f\u0131nda b\u00fcy\u00fcmeye ba\u015flayan yumurta, d\u00f6llenmeden hemen \u00f6nce b\u00f6l\u00fcnmesini tamamlar. Bu bekleme s\u00fcresinin uzun olmas\u0131 veya sorunlu yumurtalar\u0131n b\u00f6l\u00fcnmesinin en ge\u00e7 d\u00f6nemlere kalmas\u0131 nedeniyle ya\u015f ilerledik\u00e7e Down Sendromlu bebek do\u011furma riski artar. \nYa\u015f artt\u0131k\u00e7a, Down Sendromlu bebek do\u011furma riski de artmaktad\u0131r. \u00d6rne\u011fin 20 ya\u015f\u0131ndaki bir annede bu risk her 2000 do\u011fumda bir iken, 38 ya\u015f\u0131nda 200, 47 ya\u015f\u0131nda 20 do\u011fumda bir olmaktad\u0131r. \nSon y\u0131llarda evlenme ya\u015f\u0131n\u0131n ve do\u011fum yapma ya\u015f\u0131n\u0131n, daha \u00f6nceki y\u0131llara g\u00f6re, d\u00fcnya genelinde \u00fc\u00e7te bir oranda daha ileri ya\u015flara kayd\u0131\u011f\u0131 bildirilmektedir. Bu durum da Down Sendromlu bebek do\u011furma oran\u0131n\u0131 art\u0131racak bir geli\u015fmedir. \nTarama Testlerinin yap\u0131lamad\u0131\u011f\u0131 eski y\u0131llarda anne aday\u0131n\u0131n ya\u015f\u0131 bir tarama testi olarak kullan\u0131lm\u0131\u015ft\u0131r. G\u00fcn\u00fcm\u00fczde uygulanmakta olan tarama testleri yap\u0131lan laboratuvar analizlerinin yan\u0131s\u0131ra anne aday\u0131n\u0131n ya\u015f\u0131na g\u00f6re hesaplanan riski temel kabul eder.<\/li>\n<\/ul>\n
Anne aday\u0131n\u0131n ya\u015f\u0131 artt\u0131k\u00e7a bebe\u011finde Down Sendromu g\u00f6r\u00fclme olas\u0131l\u0131\u011f\u0131 da artar.<\/p><\/div>\n
\n
Gebelik haftas\u0131:<\/strong> Asl\u0131nda bir bebe\u011fin Down Sendromlu olup olmad\u0131\u011f\u0131 hen\u00fcz d\u00f6llenme oldu\u011funda belirlenmi\u015ftir. Bu y\u00fczden gebelik ilerledik\u00e7e yeni Down Sendromlar\u0131 olu\u015famayaca\u011f\u0131 gibi Down Sendromlu bebeklerin iyile\u015fmesi de s\u00f6z konusu de\u011fildir. Ancak Down Sendromlu bebeklerin gebelik devam ederken d\u00fc\u015f\u00fck olma, erken do\u011fum ve \u00f6l\u00fcm olas\u0131l\u0131klar\u0131 daha y\u00fcksektir. Bu y\u00fczden gebelik haftalar\u0131 ilerledik\u00e7e Down Sendromu riski azal\u0131r.<\/li>\n<\/ul>\n
\u00d6nceki gebelikte Down Sendromu varl\u0131\u011f\u0131:<\/strong> Bu durum, yeni gebelikteki riskin %0,75 daha y\u00fcksek hesaplanarak d\u00fczeltilmesine neden olur. \nFarkl\u0131 gebelik haftalar\u0131nda ve ya\u015flarda anne adaylar\u0131 i\u00e7in Down sendromlu bebek do\u011furma riski a\u015fa\u011f\u0131daki tabloda verilmi\u015ftir. Soldaki mavi yaz\u0131l\u0131 s\u00fctundan ya\u015f\u0131n\u0131z\u0131 ve \u00fcstteki mavi sat\u0131rdan yakla\u015f\u0131k gebelik haftan\u0131z\u0131 bulup sat\u0131r ve s\u00fctunun kesi\u015fti\u011fi h\u00fccreye bakarsan\u0131z bebe\u011finizin risk oran\u0131n\u0131 g\u00f6rebilirsiniz. \nTrizomi 13 ve 18 riski anne ya\u015f\u0131na paralel olarak artar ve gebelik haftas\u0131n\u0131n artmas\u0131 ile azal\u0131r. Bu bebeklerin yakla\u015f\u0131k %80\u2019i anne karn\u0131nda 12\u201340 hafta aras\u0131nda \u00f6l\u00fcr. Turner sendromu genellikle babaya ait X kromozomunun kayb\u0131 sonucu ortaya \u00e7\u0131kar, bu nedenle 45 X\u2019li embriyolar trizomilerin aksine anne ya\u015f\u0131 ile ba\u011f\u0131nt\u0131l\u0131 de\u011fillerdir. Prevelans\u0131 ise 12. haftada 1\/1.500, 20. haftada 1\/3.000 ve 40. haftada 1\/4.000 dir.<\/p>\n
Ya\u015f ve gebelik haftas\u0131na g\u00f6re Down Sendromu g\u00f6r\u00fclme olas\u0131l\u0131\u011f\u0131<\/p><\/div>\n
13 ve 18 trizomilerin anne ya\u015f\u0131 ve gebelik hastas\u0131na g\u00f6re g\u00f6r\u00fclme oranlar\u0131<\/p><\/div>\n
Di\u011fer cinsiyet kromozomu bozukluklar\u0131n\u0131n da (47,XXX, 47,XXY ve 47,XYY) anne ya\u015f\u0131 ile ba\u011f\u0131nt\u0131s\u0131 yoktur. Intrauterin fetal kay\u0131p prevelans\u0131 gebelik haftas\u0131n\u0131n ilerlemesi ile azalmad\u0131\u011f\u0131 gibi artmazda (1\/500).<\/p>\n
Poliploidi, tan\u0131 konulmu\u015f gebeliklerin yakla\u015f\u0131k %2\u2019sinde bulunur, son derece \u00f6l\u00fcmc\u00fcld\u00fcr ve canl\u0131 do\u011fanlarda son derece az g\u00f6r\u00fcl\u00fcr. On ikinci haftadaki prevelans\u0131 1\/2000, 20. haftadaki ise 1\/250.000 dir.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
\u0130nsanlar, genellikle Down sendromlu bir bebekleri olaca\u011f\u0131n\u0131 hi\u00e7 akl\u0131na getirmez. \u00c7\u00fcnk\u00fc\u00a0bu, ailelerde s\u0131k g\u00f6r\u00fclen bir durum de\u011fildir. Baz\u0131 ki\u015filer, yaln\u0131zca ge\u00e7 ya\u015fta do\u011fum yapan kad\u0131nlar\u0131n Down sendromlu bebekleri olaca\u011f\u0131n\u0131 sanmaktad\u0131r ancak bu tam\u00a0do\u011fru de\u011fildir. Herkesin Down sendromlu bir bebe\u011fi olabilir, ancak risk ya\u015fla birlikte artar. Ne kadar iyi s\u00fcr\u00fcc\u00fc olursa olsun, direksiyona oturan herkesin kaza […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[33],"tags":[],"yoast_head":"\n
Down Sendromu Ne S\u0131kl\u0131kta G\u00f6r\u00fcl\u00fcr - \u0130zmir Kar\u015f\u0131yaka Kad\u0131n Do\u011fum Merkezi<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n