Uluphi uvavanyo lokutshatyalaliswa kwezilwanyana ze-2m? Ikwahlula ngamacandelo amabini-ukuhlolwa kwegazi kunye nokuhlolwa kwe-ultrasound. Ugqirha ugunyazisa ukuba angayenqatshi isigaba sale sifundo, kuba kubaluleke kakhulu kwimpilo yengane ezayo. Kwaye akukho namnye onokunyanzelisa ngolu hlobo ukuhlola.
Ukuhlolwa kwe-bi-chemically kunye ne-ultrasound ye-perinatal ye-2 trimester
Olu hlalutyo lwenziwe ukususela kwishumi elinesibhozo ukuya kwiveki yeshumi. Kodwa uya kuba yinkcazelo engakumbi kwiveki ye-18 ye-intrauterine yophuhliso. Ukubala iingozi ezenzekayo kumntwana, uvavanyo oluphindwe kathathu (oluninzi ngokuphindaphindiweyo lwe-quadruple) lwenziwe. Oku kuhlolwa kwegazi ngamahomoni afana ne- estriol yamahhala, i- AFP, ne-hCG. Iziphumo zokuhlolwa kwe-biochemical ye-trimester yesi-2 zibonakalisa iimpazamo ezinzulu ezifana nophuhliso lwe-Edwards, i-Down's syndrome, ukungabikho kwengqondo, i-Patau, i-Lange syndrome, i-Smith-Lemli-Opitsa syndrome kunye ne-triploidy engeyiyo.
Imilinganiselo yokuhlolwa kwe-postinatal ye-2 trimester, apho kugqitywa isigqibo malunga nobungozi obuninzi besifo se-fetal, kunokuba sisisigxina, kwaye asiyikufumanisa okokugqibela. Zibonisa kuphela ukuba kunokwenzeka ukungaphambuki kwintsana, kodwa ayikho i-100% ethembekileyo. Ukuba ukugxekwa kukudakisayo, ungadikibali, kodwa kufuneka wenze i-aphoyintimenti kunye nomfuzululwazi ofanelekileyo onokukhupha ukungathandabuzeki.