THEamniocentesis ndiyo bvunzo inonyanyo shandiswa pakuongorora vanhu vasati vazvarwa. Inovavarira kutora zvishoma amniotic liquid umo munogezera fetus. Mvura iyi ine chitokisi nezvimwe zvinhu zvinokwanisa kupa ruzivo rwakakosha nezvehutano hwe fetus. 

Amniocentesis inowanzoitwa pakati pevhiki yegumi nemana ne14 yekuzvitakura kuti ione chromosomal abnormality (kunyanya Down Syndrome kana Trisomy 21) pamwe nekumwe kukanganisa kwekuzvarwa. Inogona kudzidzira:

• kana zera raamai rakura. Kubva pazera re35, njodzi dzekuremara kwekuzvarwa dzakakwira.
• apo kuongororwa ropa uye yekutanga trimester ultrasound inoratidza njodzi yechromosomal abnormality
• kana chromosomal abnormality iripo muvabereki
• apo mwana ane abnormalities pa ultrasound ye2^st kota

Kana yaitwa, amniocentesis inobvumirawo bonde re "fetus".

Kuongororwa kunogonawo kuitika gare gare, panguva yechitatu trimester yekuzvitakura:

• kuona kana chibereko chakura mapapu
• kana kuona hutachiona hweamniotic fluid (muchiitiko chekukura kwekukura, somuenzaniso).

Kuongororwa kunoitwa neobstetrician muchipatara. Anotanga atarisa nzvimbo yefetus uye placenta nekuita ultrasound. Izvi zvichashanda semutungamiri panguva yekushanda.

Kuongorora kunosanganisira kupinza tsono nemudumbu nemuchibereko. Kamwe muamniotic sac, chiremba anobvisa anenge 30 ml yemvura uye obvisa tsono. Nzvimbo yekupinza yakafukidzwa nebandage.

Muedzo wese unotora maminitsi gumi nemashanu, uye tsono inongogara muchibereko kweminiti imwe kana maviri.

Munguva yose yekuongorora, chiremba anotarisa kurova kwemwoyo we fetus, pamwe chete neropa raamai uye kufema.

Ziva kuti dundira raamai rinofanirwa kunge risina chinhu usati waita ongororo.

Iyo amniotic fluid inobva yaongororwa kuti:

• kumisikidza iyo karyotype yekuongorora chromosome
• kuyera zvimwe zvinhu zviri mumvura, zvakaita sealpha-fetoprotein (kuona kuvepo kwekusagadzikana kwehurongwa hwetsinga kana madziro emimba yefetus)

Amniocentesis invasive bvunzo inogona kupa njodzi mbiri huru:

• kubva pamuviri, mune imwe chete mu200 kusvika ku300 (zvichienderana nepakati)
• utachiona hwechibereko (kashoma)

Kuzorora kwemaawa makumi maviri nemana kunorayirwa mushure mebvunzo. Zvinokwanisika kunzwa kurwadziwa nemudumbu.

Nguva dzekuongorora dzinosiyana zvichienderana nerabhoritari. Kazhinji, zvinotora mavhiki 3-4 kuti uwane fetal karyotype, asi inogona kukurumidza.

Kana nhamba yemasero akawanikwa uye kuongororwa akakwana, mhedziso dzezvidzidzo zvechromosomal dzinenge dzakavimbika zvachose.

Kana pakazoonekwa kuti pane chisionekwi, vaviri vacho vanenge vaine sarudzo yekuenderera mberi nenhumbu yacho kana kukumbira kuibvisa. Isarudzo yakaoma iri kwavari ivo chete.