Hamileli\u011fin en heyecan verici zamanlar\u0131ndan biridir ultrason \u00f6l\u00e7\u00fcmleri. Bebe\u011finizin cinsiyeti, kilosu, boy \u00f6l\u00e7\u00fcmleri yava\u015f yava\u015f ortaya \u00e7\u0131kar.<\/p>\n

HAM\u0130LEL\u0130KTE (GEBEL\u0130KTE) BEBE\u011e\u0130N TAHM\u0130N\u0130 K\u0130LOSUNUN \u00d6L\u00c7\u00dcLMES\u0130 (TFA)<\/p>\n

Hamilelikte ultrason y\u00f6ntemi ile bebe\u011fin tahmini olarak a\u011f\u0131rl\u0131\u011f\u0131 hesaplanabilmektedir. Burada yap\u0131lan ger\u00e7ek br a\u011f\u0131rl\u0131k \u00f6l\u00e7\u00fcm\u00fc de\u011fildir, ultrason cihaz\u0131 veya ba\u015fka bir cihazla bebe\u011fin a\u011f\u0131rl\u0131\u011f\u0131n\u0131 tart\u0131 gibi ger\u00e7ek anlamda \u00f6l\u00e7mek m\u00fcmk\u00fcn de\u011fildir. Ancak ultrasonda bebe\u011fin kafa \u00e7ap\u0131 (BPD), bacak boyu (FL), kar\u0131n \u00e7evresi (AC) gibi \u00f6l\u00e7\u00fcmlerden faydalana rak kilo tahmini yap\u0131labilmektedir. Bu tahmini ultrason cihaz\u0131nda y\u00fckl\u00fc olan bilgisayar program\u0131 otomatik olarak yapmaktad\u0131r. Buna tahmini fetal a\u011f\u0131rl\u0131k denir, TFA (ingilizce EFW) olarak k\u0131salt\u0131l\u0131r. Ultrafonografi sonu\u00e7 raporlar\u0131nda genellikle EFW Hadlock gibi isimlerle belirtilir. Ultason y\u00f6ntemi ile geli\u015ftirilen y\u00f6ntemlerin ve di\u011fer y\u00f6ntemlerin belirli bir oranda yan\u0131lma pay\u0131 vard\u0131r, her zaman tam ve do\u011fru sonu\u00e7 vermezler, bebe\u011fin pozisyonu, amniyon suyu miktar\u0131, do\u011fumun ba\u015flam\u0131\u015f olmas\u0131, bebe\u011fin do\u011fum kanal\u0131na girmi\u015f olmas\u0131 gibi \u00e7e\u015fitli fakt\u00f6rlerden etkilenir sonu\u00e7lar. Ayr\u0131ca her \u0131rk\u0131n ve \u00fclkenin bebekleri farkl\u0131 fiziksek \u00f6zellikler g\u00f6sterdi\u011finden bir \u00fclkede iyi sonu\u00e7 veren form\u00fcl ba\u015fka \u00fclkelerde ba\u015far\u0131s\u0131z sonu\u00e7lar verebilir, bu nedenle her \u00fclke kendisinde ba\u015far\u0131l\u0131 sonu\u00e7 veren form\u00fclleri ultrason cihazlar\u0131nda kullanmal\u0131d\u0131r.<\/p>\n

Fundus-pubis \u00f6l\u00e7\u00fcm\u00fc ile bebe\u011fin tahmini a\u011f\u0131rl\u0131\u011f\u0131n\u0131n belirlenmesi:<\/strong>
\nUltrason d\u0131\u015f\u0131nda klinik muayene ile de anne karn\u0131n\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcnden faydalan\u0131larak bebe\u011fin a\u011f\u0131rl\u0131\u011f\u0131n\u0131 tahmin etmek m\u00fcmk\u00fcnd\u00fcr. Fundus denilen b\u00f6lge anne rahminin en \u00fcst noktas\u0131d\u0131r. Pubis denilen b\u00f6lgede \u00e7at\u0131 kemi\u011finin \u00f6nde \u00fcst k\u0131sm\u0131d\u0131r, ba\u015fka bir tarifle \u00f6nde pubik k\u0131llar\u0131n en \u00fcst noktas\u0131d\u0131r. Fundus ve pubis denilen bu iki nokta aras\u0131ndaki mesafenin yumu\u015fak e\u011filebilir bir mezura ile \u00f6l\u00e7\u00fclmesi sonras\u0131nda elde edilen de\u011fer ve baz\u0131 form\u00fcller yard\u0131m\u0131yla bebe\u011fin tahmini a\u011f\u0131rl\u0131\u011f\u0131 hesaplanabilmektedir.
\n\u00d6rnek bir f\u00fcrm\u00fcl: TFA = FB\u00d6 (cm) x AK\u00c7 (cm)
\nBu fom\u00fclde FB\u00d6: fundus pubis \u00f6l\u00e7\u00fcm\u00fc, AK\u00c7: Annenin g\u00f6bek etraf\u0131ndan \u00f6l\u00e7\u00fclen kar\u0131n \u00e7evresi, bu ikisinin \u00e7arp\u0131lmas\u0131 bebe\u011fin tahmini a\u011f\u0131rl\u0131\u011f\u0131n\u0131 vermektedir.
\nMezura ile anne karn\u0131n\u0131n \u00f6l\u00e7\u00fclmesi sayesinde hi\u00e7bir cihaza ihtiya\u00e7 duyulmadan bu kolay yolla a\u011f\u0131rl\u0131k hesaplamas\u0131 baz\u0131 ara\u015ft\u0131rmalarda ultrason kadar ba\u015far\u0131l\u0131 bulunmu\u015ftur. G\u00fcn\u00fc m\u00fczde ultrason cihazlar\u0131n\u0131n \u00e7ok yayg\u0131nla\u015fmas\u0131 nedeniyle fundus-pubis mezura \u00f6l\u00e7\u00fcm\u00fc ancak doktor ve ultrason bulunmayan, ebeler taraf\u0131ndan yap\u0131lan tarama muayenelerinde v.b kullan\u0131lmaktad\u0131r, g\u00fcn\u00fcm\u00fczde hala de\u011ferli bir \u00f6l\u00e7\u00fcm metodudur.<\/p>\n

Di\u011fer y\u00f6ntemler:<\/strong>
\nYukar\u0131daki ba\u015fl\u0131ca y\u00f6ntemler d\u0131\u015f\u0131nda MR (mahzetik rezonans) y\u00f6ntemi ile a\u011f\u0131rl\u0131k tahmini yap\u0131labilmektedir. Ayr\u0131ca gebelikteki baz\u0131 hormon de\u011ferlerinden faydalan\u0131larak bebe\u011fin a\u011f\u0131rl\u0131\u011f\u0131n\u0131 tahmin edebilecek form\u00fcller geli\u015ftirilmeye \u00e7al\u0131\u015f\u0131lm\u0131\u015ft\u0131r, pratikte kullan\u0131lmamaktad\u0131r.<\/p>\n

Anne karn\u0131ndaki bebe\u011fin tahmini kilosu neden hesaplan\u0131r?<\/strong>
\nTahmini fetal a\u011f\u0131rl\u0131k hesaplamas\u0131 ultrason \u00f6l\u00e7\u00fcm\u00fcn\u00fcn \u00e7ok \u00f6nemli bir par\u00e7al\u0131d\u0131r. \u00d6zellikle 5. aydan sonra \u00f6nem kazan\u0131r, daha \u00f6ncesinde bebe\u011fin kilosu \u00e7ok az oldu\u011fu i\u00e7in fazla bir fikir vermez. Bebe\u011fin a\u011f\u0131rl\u0131\u011f\u0131n\u0131n \u00f6l\u00e7\u00fclmesinin ba\u015fl\u0131ca nedenleri:
\n– Bebekte geli\u015fme gerili\u011fi var m\u0131 belirlemek
\n– Erken do\u011fum riski veya su gelmesi olanlarda bebe\u011fin do\u011fum a\u011f\u0131rl\u0131\u011f\u0131n\u0131 tahmin ederek ona g\u00f6re do\u011fuma karar verme veya bebe\u011fin yo\u011fun bak\u0131m ihtiyac\u0131 olabilece\u011fini tahmin etme
\n– \u0130ri bebek (makrozomik) bebekleri tespit ederek bunlarda normal do\u011fum yerine sezaryen karar\u0131 vermek
\n– \u0130kiz bebeklerde ikizler aras\u0131ndaki kilo fark\u0131n\u0131 ve buna ba\u011fl\u0131 olas\u0131 komplikasyonlar\u0131 de\u011ferlendirmek<\/p>\n","protected":false},"excerpt":{"rendered":"

Hamileli\u011fin…<\/p>\n","protected":false},"author":1,"featured_media":5647,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523],"tags":[1373,225,471,404,153,2821,2828],"_links":{"self":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts\/5646"}],"collection":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/comments?post=5646"}],"version-history":[{"count":0,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/posts\/5646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/media\/5647"}],"wp:attachment":[{"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/media?parent=5646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/categories?post=5646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coolkadin.com\/wp-json\/wp\/v2\/tags?post=5646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}