Ingozi yokubukeka kwama-trisomy angu-21 womabili ama-chromosomes ku-fetus kuwo wonke abesifazane. Icala eli-1 elilinganiselwe le-800 lokukhulelwa. Iyakhula uma umama olindelekile engaphansi kweminyaka engama-18 ubudala, noma engaphezu kweminyaka engama-35 ubudala, futhi uma umndeni unezinkinga zokuzalwa kwezingane ezineziphambeko ezingeni lezakhi zofuzo.
Ukuze uthole lokhu okungahambi kahle, kutuswa ukuba uthathe ukuhlolwa okuhlangene okuhlanganisa ukuhlolwa kwegazi kanye ne-ultrasound. Umphumela ukuzimisela kwamathuba okuba ne-trisomy 21 enganeni esesesibelethweni. Kodwa akunakwenzeka njalo ukuqonda ulwazi olukhishwe yi-laboratory, ngoba lokhu kuyadingeka ukuya kudokotela, okuyinto evame ukuyenza ngokushesha.
Ukuze ungazitholi ngokuziqagela nokuzizwa, kulesi sihloko uzothola ukuthi ingozi engokwezifiso kanye nomuntu ngamunye we-trisomy 21 isho nokuthi ungayichaza kanjani incazelo yawo.
Ingozi eyisisekelo ye-trisomy 21
Ngaphansi kwengozi ebalulekile ye-Down's syndrome, inani elibonisa inani labamama abalindayo abanezilinganiso ezifanayo lihlangene necala elilodwa le-anomaly lisho. Okokuthi, uma isibonakaliso singu-1: 2345, kusho ukuthi lesi sifo senzeke kumfazi ongu-1 phakathi kuka-2345. Le parameter iyanda, kuye ngokuthi yobudala: 20-24 - ngaphezulu kuka-1: 1500, kusukela eminyakeni engu-24 kuya kwezingu-30 - kuze kufike ku-1 : 1000, kusuka ku-35 kuya ku-40 - 1: 214, nangemva kokungu-45 kuya ku-1:19.
Lesi sibonakaliso sibalwa ososayensi ngonyaka ngamunye, sikhethwe nguhlelo ngesisekelo sedatha yobudala bakho kanye nesikhathi esiqondile sokukhulelwa.
Ingozi yomuntu ngamunye we-trisomy 21
Ukuze uthole le nkomba, idatha ye-ultrasound ethathwe phakathi kwamasonto angu-11-13 okukhulelwa (ikakhulukazi ubukhulu bendawo ye-collar ebuntwaneni ibalulekile), ukuhlaziywa kwezinto ezinokwemvelo kwegazi kanye nedatha ngabanye besifazane (izifo ezihlala njalo, imikhuba emibi, ubuhlanga, isisindo kanye nenani lamantombazane).
Uma i-trisomy 21 ingaphezu kwesibalo esinqunyiwe (ingozi yokuqala), lo wesifazane unesiphezulu
Uma i-trisomy 21 ingaphansi kwesibalo se-cutoff, khona-ke kulokhu, ingozi ephansi yalesi sifo. Ukuze uthole imiphumela enembile, kunconywa ukuqhuba ukuhlolwa kwesibili, okwenziwe emavikini angu-16-18.
Ngisho noma usuthole imiphumela embi, akufanele uphele amandla. Kungcono, uma isikhathi sivumela, ukuphinda uhlole izivivinyo futhi ungalahlekelwa yinhliziyo.