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Home Medicina Umjetna oplodnja
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Umjetna oplodnja PDF Ispis E-mail
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Ponedjeljak, 15 Prosinac 2008 00:00

umjetna oplodnjaBračni par koji ima redovite spolne odnose i ne koristi kontracepciju je neplodan ako tijekom 12 mjeseci ne dođe do trudnoće. Suprug bi trebao obaviti pretragu sjemene tekućine (spermiogram) i urološki pregled. Ženi je, osim ginekološkog pregleda i PAPA testa, potrebno pregledati dojke, štitnjaču te napraviti ultrazvučni pregled maternice, jajovoda i jajnika. Provjera ovulacije može se napraviti mjerenjem bazalne temperature, transvaginalnim ultrazvučnim pregledom te određivanjem progesterona.

Oko 10% parova koji su bezuspješno pokušali sve druge načine, odlučuju se na umjetnu oplodnju. IVF nije prvi korak u liječenju neplodnosti, nego je rezervirana za neuspjeh lijekova, kirurških metoda i umjetnog osjemjenjivanja.

Za razliku od jednostavnijeg procesa umjetnog osjemenjivanja - u kojem se sperma uvodi u uterus, a sama oplodnja odvija normalno -in vitro fertilizacija (IVF) podrazumijeva spajanje jajašca i sperme izvan tijela u laboratoriju, a kada se stvori embrij, postavlja se u maternicu. Zato je IVF složen i skup postupak, a zdravstveno osiguranje pokriva njene troškove.

Indikacije:

  • endometrioza
  • mali broj spermija
  • problemi s uterusom ili Falopijevevom cijevi
  • problemi s ovulacijom
  • antitijela koja štete spermi ili jajašcu
  • nemogućnosti da sperma prodre u cervikalnoj sluzi




Postupak IVF-a

1.faza

Prvi korak uključuje ubrizgavanje hormona tako da jajnici proizvode više jajašca svaki mjesec umjesto samo jednog. Slijede injekcije i lijekovi koji potiču proces ovulacije. Liječnik će napraviti krvne testove ili pregled ultrazvukom kako bi bio siguran da su jajašca u pravoj fazi razvoja.Vrijeme je važno, jer jajašca moraju biti uzeta prije nego iz folikula prijeđu u jajnike.
 
ivf


2. faza

Tijekom postupka uzimanja jajašca liječnik uz nadzor ultrazvuka uzima jajašca s posebnom iglom. Za to vrijeme primjenjuju se sedativi ili anestezija. Postupak obično traje manje od 30 minuta, ali može potrajati i do sat vremena.

3. faza

Odmah nakon uzimanja, jajašca se u laboratoriju pomiješaju s spermom partnera koju je neposredno donirao. Oplođena jajašca čuvaju se u laboratoriju nekoliko dana dok ne dostignu stupanj blastocita, te prenose u uterus putem katetera. Nakon postupka preporuča se ostati u krevetu nekoliko sati. Za otprilike dva tjedna može se provesti test trudnoće.

Uspješnost

Zatrudni oko 30% žena, a oko 90% zametaka uspješno se porodi. U otprilike 10% slučajeva prisutna je višeplodna trudnoća.

Charlotte E. Grayson Mathis, MD

WebMD

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