Ngokuphindaphindiweyo ukuhlolwa kwezinto eziphilayo kwimizi yesithathu ye-trimester kuhambelana nexesha lokuhlolwa kwe-ultrasound, kodwa oku akuyimfuneko. Ngokuqhelekileyo, iimvavanyo zegazi zithathwa kwiiveki ezi-10 ukuya kwe-20 zokukhulelwa, kuba lixesha lexesha ukuba unokuchaneka ngokuchanekileyo ukuba ngaba kukho i-chromosomal pathologies.
Kubalulekile ukuba ungabandakanyeki ekuziphenduleni kwe-postinatal ye-trimester yesibini, kodwa ukuyibeka kwingcali. Ukukhulelwa kwegazi kufundwe ngeendlela ezintathu-i-AFP (i-alpha-fetoprotoyin), i- hCG (i-chorionic gonadotropin) kunye ne-estriol yamahhala. Ukuthembeka kwezi mvavanyo kuku malunga nama-70%, ngoko ke akufuneki ukuba utyhafe ukuba kukho nayiphi na isalathisi esahlukileyo. Ukuba unqwenela, ibhinqa lingafuni ukujonga ukuhlolwa kwezinto ezinokwakheka kwezinto ze-biochemical for the third trimester of pregnancy.
Imilinganiselo yokuhlola i-ultrasound ye-2 trimester
Ngeli xesha, ukuxilongwa kuqhutyelwa ukwenzela ukuqinisekisa okanye ukuphikisa ukukhubazeka, kunye nokuba khona kokukhulelwa okubanzi. Umthamo we-amniotic fluid, isikhundla kwisisu somntwana kunye ne-placenta iqikelelwa. Iintsilelo zesakhiwo samathambo enkrele kunye nemiphetho, i-ventricles yengqondo kunye nemibhobho yemigudu iyagqitywa.
Ukuchongwa kwe-ultrasound screening kwi-trimester yesi-2 kuqhutyelwa yi-precinct-gynecologist, kodwa ayikho ubunzima obuninzi bokuzifundela. Ngoko, onke amathambo emilenze kufuneka abe nobude obufanayo, igugu, kwaye ingakumbi inxalenye yalo ebusweni ngaphandle kokutshatyalaliswa okubonakalayo ngendlela yokungathandeki komnxantathu we-nasolabial.
Ukuhlolwa kwe-Ultrasound ye-2 trimester ngokuphindaphindiweyo kuyayiphendula umbuzo ininzi abazali abanomdla kuyo-inkwenkwe okanye intombazana? Kwi-90% yamatyala oku kuqinisekiswa kamva. Inzuzo enkulu yesibini ye-ultrasound kukuba ngoku akudingeki ukunyamezela isisu esipheleleyo kwaye nakuphi na ukulungiselela isifundo akukho mfuneko.