Ubungakanani biparietal yintloko yentloko

Kwizibhedlele, kukho iinkolelo ezininzi, ngokubonga ukuba ungayigqiba njani ubude bentshukumo, ubukho okanye ukungabikho kokungaqhelekanga ekuphuhlisweni komntwana. Ubungakanani biparietal yentloko ye-fetal yenye yezo ntlukwano, kuchanekile ngakumbi kunokuba abanye bathethe malunga nexesha lokukhulelwa. Ubungakanani biparietal yentloko yesisu buyakunikwa ngoncedo lokuhlolwa kwe-ultrasound, kwaye ukuqonda kwakhe kwixesha elivela kwiiveki ezili-12 ukuya kwe-28 liphezulu kakhulu. Kule nqaku siza kuqwalasela indlela yokulinganisa ubungakanani bebiparietal yentloko, zeziphi iinkozo zazo ziintsuku ezahlukeneyo zokuphuhliswa komntwana kunye neendlela eziphambukayo ezivela kwimimiselo.

Ubungakanani biparietal yentloko yentloko buqhelekileyo

I-BDP yentloko ye-fetal ngumgama phakathi kweengcambu zangaphandle kunye zangaphakathi zamathambo e-parietal, umgca odibanisa i-contours yangaphandle yamathambo e-parietal kufuneka udlule i-thalamus. Ukuphambuka kwimimiselo yokulinganisa kubangela ukuphazamiseka kweziphumo kwaye, ngenxa yoko, kungekhona ukuzimisela ngokuchanekileyo kwiminyaka yobudala. Ukukhulelwa ngamnye kuhambelana nexabiso elithile le-BPR ye-fetus ngokuqhelekileyo. Njengoko ixesha lokunyuka kwesigxina likhula, ubukhulu bebiparietal yentloko ye-fetal banda, kwaye ekupheleni kokukhulelwa ukukhula kwayo kwinciphisa ngokukhawuleza. Umzekelo, i-BDP ye-fetus kwiiveki eziyi-12, ngokwemitha, i-21 mm, i-BDP ye-fetus kwiiveki ezingama-13 i-24 mm, kwiiveki ezingama-16-34 mm, kwiiveki ezingama-24-61 mm, i-BPR kwiiveki ezingama-32 ngu-82 mm, kwiiveki ezingama-38 - 84 mm, nakwiiveki ezingama-40 - 96 mm.

Ubungakanani biparietal yentloko ye-fetal iqikelelwa kunye kunye nobukhulu be-occipital size (LZR), ukulinganisa kwelinye iqhekeza (kwinqanaba lemilenze yengqondo kunye nama-bumps). Utshintsho kubukhulu bezalathisi zibini luhambelana ngokuthe ngqo kwithuba lokukhulelwa.

Emva kweveki yama-38, ukucwangciswa kwentloko ye-fetal kuyahluka, oku kuya kubangela ukuba ubukhulu bebiparietal yentloko yesisu. Ngaloo ndlela, ngoqwalaselo lwe-dolichocephalic, i-BDP yentloko ye-fetal iya kuba ngaphantsi kweqhelekileyo.

I-Ultrasound ekukhulelweni kwe- BDP intloko ye-fetus kwi-norm and pathology

Ubungakanani biparietal yentloko ye-fetal kunye nezinye izikhombisi-mvume kuvumela ukuphazamiseka okunjalo ekuphuculweni komntwana njengokulibaziseka ekuphuhlisweni komntwana komntwana, i-hydrocephalus kunye nomntwana omkhulu. Ukuba intloko ye-BDP iyintloko ngaphezu kweqhelekileyo, ke ungagqibi ukuya kwizigqibo, kufuneka ulinganise ezinye iinxalenye zomzimba wesisu. Ukwanda okwenziweyo kuzo zonke izikhulu zomzimba (intloko, isifuba, isisu) unikeza isizathu sokuthatha isiqhamo esikhulu.

Ukuba kuphela i-biparietal kunye ne-lobinal-occular dimensions yonyuka (umgama ukusuka kumgca ongaphandle ojikelezayo wethambo langaphambili ukuya emngceleni wangaphandle wesithambo se-occipital), oku kukuqinisekiswa kokuxilongwa kwe-hydrocephalus. Isizathu se-hydrocephalus emntwaneni sisifo sosulelo lwe-intrauterine.

Kuloo matyala xa i-BDP ye-fetus ingaphantsi kwesiqhelo kwaye zonke izicwangciso zayo azihambelani nexesha lokunyanga, ukuxilongwa kusekwe-ukulibala kwe-intrauterine yophuhliso lomntwana. Izizathu ze-ZVUR zintsholongwane ye-intrauterine ye-fetus, i-hypoxia engapheliyo, ngenxa yokungakwazi ukuzaliswa kwe-fetoplacental. Ukuba ukulibaziseka ekuphuculweni kwangaphakathi kwe-intancerine kufunyaniswa, ngoko ke lona wesifazane uphathwa ngokungafezekiyo, ekujoliswe ekupheliseni imbangela: ukuphucula ukuphuma kwegazi, ukunyusa ukuhanjiswa kwe-oksijini kunye nezondlo kwi-fetus ( iKurantil yabasetyhini abakhulelweyo , i-Actovegin, i-Pentoxifylin).

Ukunciphisa i-BDP ye-fetus kunye ne-LZR ngaphandle kokunciphisa ubukhulu bomzimba, uthetha nge-microcephaly.

Sihlolisise imilinganiselo yoluhlu lwebiparietal inhloko yentloko ye-fetal, ukubaluleka kwayo kwiintshukumo eziqhelekileyo kunye nezifo.