Fetal DNA bvunzo muropai amai Zvinonakidza here?

Fetal DNA

Kana tikabvunza vaviri zvakanyanyovashungurudza nezve nhumbu, mhinduro inowanzoitika "Kuti mwana apora". Panguva yepamuviri tichaita bvunzo dzinoverengeka kuti tione kuti zvinhu zvese zviri kufamba mushe here uye mwana wedu haana kana dambudziko. Imwe yemikana ndeyekutsvaga kana usiri mutakuri we chromosomal zvisizvoParizvino pane nzira dzinoverengeka dzekuona kuti iri harisi dambudziko remwana wedu.
Kazhinji nemhedzisiro yeiyo yekutanga ultrasound kukweva kweropa kunoitwa, umo hunhu hwemamwe mahormone hunotsanangurwa uye nedzimwe dhata, senge zera raamai, huremu uye kuti anoputa kana kwete "Kuongorora katatu", iyo vachatiudza iyo nhamba dzenjodzi kuti mwana wedu mutakuri wechromosomal zvisizvo senge Down syndrome kana Edwads syndrome. Uyu muedzo wakavimbika kwazvo, wakakomberedza 95% chaiko. Inotaridzirwa kuve yakanyanya njodzi kana iri yakakura kudarika kana yakaenzana ne 1/250 yeimwe yeakasiyana echromosomal. Kusvika ikozvino apo izvi zvaive njodzi yepakati kana paive nechero chimwe chiitiko chakakonzera kusahadzika nezve mhedzisiro, a invasive bvunzo, se amniocentesis(ita kubaya mudumbu raamai, uchiwana bhegi rinodzivirira mwana kuti atore sampu yeamniotic fluid uye aiongorore) kana chorionic biopsy(svikira nzvimbo yepashure peiyo placenta kuti utore sampuro diki yechinangwa chimwe chete seamnicehesis), kuwedzera njodzi kukwanisa kutyora bhegi kana kuwana hutachiona uye kurasikirwa nepamuviri.
Kubva 1997, zvinozivikanwa kuti kana mukadzi aine nhumbu, ropa rake rinogona Detective, pamusoro peDNA yayo, iyo DNA yemucheche, saka makore mashoma apfuura mukana wekuvandudza bvunzo kuti uone karyotype yemwana yakatanga kuongororwa uncalised zvisingaite bvunzo uye imwe nguva yapfuura iyo fetal DNA bvunzo muropai amai.

mwana 2

Chii chinosanganisira

Inosanganisira kuita kuongorora ropa kuna amai kuti vaone fetal DNA. DNA isina kubva masero evacheche kutenderera mu ropa raamai. DNA ndicho chibereko, chinogadza kwete chete nhaka yemwana, asi zvakare kana chiri chinotakura kana chinotambura chero chromosomal chirwere kana bonde, kunyanya kuvepo kwetrisimu 21 (Down syndrome), 18 (Edwards syndrome) uye 13 (Patau syndrome) kana shanduko dzinoverengeka dzemakromosomes ebonde. Iko kukosha kwekufungidzira kwemuedzo ndeye 99,9% ye Down syndrome, uye zvishoma zvishoma kune Edwards syndrome uye Patau syndrome. Izvi zvinoreva kuti iko kunyatso kuri nani pane nzira dzakapfuura. Chete kana iyo mhedzisiro yakanaka dzinofanirwa kusimbiswa ne chorionic biopsy kana amniocentesis. Kusiyana neAmniocentesis kana Corial biopsy, iyo fetal DNA bvunzo haina njodzi kumwana (kana amai), nekuti zvinongotora kutorwa kweropa kubva paruoko rwaamai.

Nguva yekuzviita

Kana katatu kuongororwa handina mhedzisiro inoguma, vabereki iva vatakuri yeimwe chromosomal chirwere, kuoneka chinoshamisa data pane ultrasound kana chero nguva vabereki vanozvishuvira. Izvo zvakakosha kuti uve neruzivo pamusoro penyaya yemapatya ekubata kana kune ayo akawanikwa nezai mupiro, mune idzi kesi anorasikirwa nehanya uye usati wazviita, zviri nyore kujekesa nezve mikana yazvinotipa uye nekunzwisisa kwayo mune idzi kesi.
Muedzo unogona kuitiswa kubva ku vhiki 10 nepamuviri kuitira kuti mhedzisiro yakavimbika.

Zvinoitwa sei uye mhedzisiro yacho inotora nguva yakareba sei?

Inosanganisira kukweva ropa kuna amai. Izvo zvinogona kuitwa pa chero nguva zvezuva uye hazvidi kugadzirira kwe hapana mhando.
Mhedzisiro inotora pakati 8 uye mazuva gumi.
Ko kana mhedzisiro yacho iri yakanaka?
Pakaitika mhedzisiro yakanaka kune imwe chromosomal shanduko, zvinokurudzirwa ku kusimbiswa nehutachiona hwekuzvarwa kwepamuviri (amniocentesis kana chorionic biopsy), kubvira haina kutariswa chaiyo yekuongorora bvunzo. Kunyangwe iyo yenhema yakanaka rate iri yakaderera kwazvo, iyo yakakosha kune kusimbiswa neimwe yeaya matekinoroji.
Ndekupi kwandinogona kuzviita? Hutano Hwehutano hweNharaunda Yangu Inodzivirira inovhara mutengo webvunzo here?
Kune marabhoritari akawanda ane bvunzo pachivande. Mari yacho iri anenge € 700. Hapana chikonzero hapana chinodiwa Kuti vaite kudaro, kana vaviri vacho vakafunga kuti vanoda kuwedzera bvunzo dzinoitwa mukutevera kwepamuviri pavo, kunyangwe kusvika panguva iyoyo pasina chikonzero chekuvhunduka, vanogona kuzviita vari vega. Munharaunda yeMadrid, chirongwa chekutarisa chevakadzi vakazvitakura kuChipatara Clínico San Carlos chakabatanidza kuyedzwa kwemahara kweDNA fetal muropa raamai mune zviitiko apo kuongororwa katatu kana ultrasound ine mhedzisiro inokakavara.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako