Ka bekeng ea bo 22 tlhahlobo ea ho hlahloba ha e sa etsoa: mosali o lokela ho hlahlojoa pejana 'me e latelang e hlahisoe ka libeke tse 31. 'Me libeke tse 22, li-ultrasound li etsoa ke basali ba bakhachane ba sa kang ba hlahlojoa pejana kapa ho latela litaelo. 'Nete nakong ena e ka etsa lipatlisiso tse eketsehileng tsa ultrasound le lipuisano litsing tsa bongaka, haeba ho ne ho belaelloa ka nako e telele pele ho na le mathata a fokolang a lesea la lesea. Ho etsa sena, beha li-ultrasound tse tloaelehileng kapa tse 3-D, 'me libeke tse 22 tsa bokhachane li loketse ho hlahlojoa, kaha ho tsoa mpa ha meriana ho lumelloa ho fihlela libeke tse 24.
Libeke tse 22 tsa bokhachane - litekanyetso tsa ultrasound
Liphello tsa ultrasound mathoasong a libeke tse 22 tsa bokhachane kapa ha li se li le libeke tse 22-23 li fapane haholo. Litekanyo tse kholo, tse lekantsoang libeke tse 21-23:
- BDP (biparietal boholo ba lehata) - ho tloha 51.6 - 54.2 ho isa ho 54.2 - 57.5 mm;
- DB (bolelele ba letheka) - ho tloha ho 35.3 - 38.3 ho isa ho 67 - 70 mm;
- LTE (boholo ba parietal e ka pele) - ho tloha ho 64 - 67 ho ea ho 38.3 - 41.3 mm;
- SJ (e boima ba mpa) - ho tloha ho 52.5 - 56.4 ho ea ho 49.4 - 52.6 mm;
- SDHK (bophara ba sefuba) - ho tloha ho 46.4 - 49.4 ho ea ho 56.4 - 59.3 mm.
Setente se tloaelehileng ka nako ena ke seaparo 'me se na le bophara ba 26-28 mm. Karolo ea amniotic fluid sebakeng se se nang mokokotlo le likarolo tsa lesea ke 35-70 mm. Ka ho hlaka pelo e bonahala likamore tsohle le li-valve,
Sebopeho sa boko se bonahala hantle, bophara ba li-ventricle tsa lateral ha li na limilimithara tse 10. O ka bona sebete, liphio, mala, senya le mala a lesea. Sepheo sa mongoli se bontša ka ho hlaka lisebelisoa tsohle, empa ho ba teng ha eona molaleng ha ho letho le reng: boemo ba lesea le e-s'o tsitsisehe 'me bo susumetsa ka bolokolohi bocha ba uterine.
Beke ea 22 ea bokhachane ke nako eo ngoana oa thobalano a bonoang ka ultrasound , 'me likarolo tsa bashanyana le banana li fapane ka boholo.