Ingxaki eqhelekileyo yengozi ye-Down syndrome nguminyaka yobudala. Ngamanye amagama, njengoko ukhula, umngcipheko wokuba ukhulelwe ngokungaqhelekanga kwe-chromosomal kwanda.
Imingcipheko yobudala bomama idlalwa rhoqo kwifomati yetshathi nje ngezantsi. Ukuze uqonde ngokwenene amanani emngcipheko avezwa kule tstshi, kubalulekile ukuqonda indlela idatha eqokelelwa ngayo kwaye oko kukuxelela yona.
Isishwankathelo seKhadi elijongene nomngcipheko we-Maternal Age
Usenokuba ubone iinguqu ezihlukeneyo zokutshatyalaliswa kweengcipheko zomngcipheko weminyaka ubudala kwaye wazi ukuba kukho ukungafani kumanani enobungozi obonisiwe. Kukho izizathu ezimbalwa zezi zintlukwano.
Ezinye iitshathi zimelela umngcipheko wesifo seminyaka yobudala kuyo yonke i-chromosomal engafanelekanga kunokuba i-Down syndrome. Ishati engezantsi ibonisa umngcipheko we-Age of Down syndrome (trisomy 21) kuphela.
I-Trisomy 21 yinto eqhelekileyo ye-chromosomal kwaye iyenzeka xa iintsana zithola i-chromosome eyongezelelweyo 21 ukusuka kumama okanye uyise. Kukho ezinye iifrimi, ezifana ne-trisomy 18 okanye i-trisomy 13, kodwa ezi zinto aziqhelekanga njenge-trisomy 21. Nangona kunjalo, i-Down syndrome ayinjalo, njengokuba i-1 kuphela kwabantwana abangama-700 izalwa nayo.
Imingcipheko ejongene nobudala be-Maternal Age of Down Syndrome
Le tshathi ibonisa amathuba okuba nomntwana one-Down syndrome esekelwe kwiminyaka yobudala ngexesha lokukhulelwa.
Ngokomzekelo, ukuba uneminyaka engama-45 ubudala ngexesha lokukhulelwa, ithuba lokuba nomntwana oxilongwa nge-Down syndrome ekuzalweni ngu-1 ngowama-34, ophantsi kancinane kwama-3 ekhulwini.
| Ubudala bomama | Ingozi ye-trisomy 21 (Down syndrome) |
| 20 | 1 kwi-1,475 |
| 25 | 1 kwi-1,340 |
| 30 | 1 ngo-935 |
| 35 | 1 ngo-350 |
| 40 | 1 ngo-85 |
| 45 | 1 ngo-34 |
Ngubani ongafanele asebenzise le Treyati
Le tstshana ayisebenzisi kuwe ukuba ukhona na kwezi zimo:
- Ukuba unomntwana odlulileyo okanye ukhulelwe nge-trisomy 21, umngcipheko wakho unokungafani nengozi ezinxulumene neminyaka ezikhoyo kule tstshi.
- Ukuba unembali yentsapho ye-translocation ye-chromosome okanye umntwana wangaphambili onokudluliselwa kwe-Down syndrome, kufuneka uqhagamshelane nomcebisi wezofuzo onokunika ulwazi oluthe ngqo malunga nomngcipheko wakho, kuxhomekeke kuhlobo lokuthunyelwa kwendawo kunye nemiphumela yakho ye-chromosome. Ukutshintshiselwa yiyona nto engabonakaliyo ye-Down syndrome kwaye kwenzeka xa umzali eneekopi ezimbini ze-chromosome 21 kunye nenxalenye eyongezelelweyo ye-chromosome 21 okanye yonke i-chromosome 21 inamathela kwiikopi eziqhelekileyo ze-chromosome 21.
- Ukuba ukhulelwe usebenzisa iqanda lomnikeli, kufuneka usebenzise iminyaka yobufazi obanikela ngeqanda.
Kuzo zonke iimeko, kukulungele ukuthetha nomcebisi wezofuzo ukuze ufumane uvavanyo oluchanekileyo lwezingozi zakho.
Ukuqhubela phambili ngokuvavanywa kwangaphambi kokubeleka
Abasetyhini banquma ukuvavanya isifo se-Down syndrome ngezizathu ezahlukeneyo. Abanye bafuna ukwazi impilo yengane yabo ngaphambi kokuba azalwe ukuze balungiselele kangcono unonophelo lwabo olutsha, kanti abanye abafazi banomuva wokuvavanya kunokunciphisa inkxalabo yabo kwaye bavumele ukuba baphucule kangcono ukukhulelwa xa uvavanyo lubi.
Kungakhathaliseki ukuba ziphi izizathu zakho, ukuba ukhetha ukuvavanywa kwe-Down syndrome, qiniseka ukuba uqonde ngokupheleleyo ukungafani phakathi kweemvavanyo ezikhoyo.
Ngokomzekelo, ukuhlolwa kokuhlola i-Down syndrome kunokubandakanya ukuhlolwa kwegazi, i-ultrasound, okanye zombini. Ngakolunye uhlangothi, uvavanyo lokuxilonga kwi-Down syndrome lithetha ukusetyenziswa kwesampula ye-chorionic villus okanye i-amniocentesis, into engabonakaliyo kwaye inomngcipheko omncinci wokukhulelwa kwesisu.
Ukutolika uvavanyo lokuhlola i-Down syndrome kukwahluke kakhulu kwi-test test. Khumbula, ukuvavanywa akunakukuxelela ngokuqinisekileyo ukuba umntwana wakho une-Down syndrome, ngelixa uvavanyo lokuhlola luyakwazi.
Uvavanyo alukwazi ukuqikelela ubunzima beengxaki umntwana wakho oza kuba nazo xa i-Down syndrome ikhona. Ekugqibeleni, ukuhlenga ezi nkcukacha kunye nodokotela wakho kubalulekile ukwenzela ukuba uzive unolwazi kwaye unolwazi malunga nesigqibo sakho.
ILizwi
Kuyinto eqhelekileyo ukukhathazeka ngokuba nomntwana ophilileyo. Ukuthetha nogqirha wakho kunye / okanye umcebisi wezofuzo kuyakunceda ngoko uyazi malunga neengozi zakho ezisekelwe kwimeko ekhethekileyo.
Ukuba unomntwana one-Down syndrome, yazi ukuba ngononophelo olufanelekileyo kunye nenkxaso, abantwana abaninzi abaneli meko ba kholisa ubomi obunelisayo. Enyanisweni, umlinganiselo wokuphila komntwana ozelwe nge-Down syndrome ngoku uphakathi kweminyaka engama-50 no-60-ngokwenene iyamangalisa.
> Imithombo
- > Alldred SK, Takwoingi Y, Guo B, et al. Uvavanyo lweSerum yokuqala lweSerum's Syndrome Testing. I-Cochrane Database yeeNkqubo eziPhezulu . NgoNovemba 30, 2015; (11): CD011975. i-doi: 10.1002 / 14651858.CD011975.
- > Matshi weDimes. Down Syndrome. Ukuhlaziywa kweOktobha 2016.
- > Messerlian GM, Palomaki GE. I-Down Syndrome: Uhlolo-nkcukacha lwe-Screening ye-Prerenatal. Isemgangathweno. Ukuhlaziywa kweJanuwari 24, 2018.