Caafimaadka, Caafimaadka dumarka
Goobada madaxa Uur todobaadle ah: Table
Waayo, War dumarkii oo dhan, uurka waa wajiga gaar ah nolosha. Wakhtigan, hooyada uurka leh waxaa la kulma dareen cusub, iyo dhinaca kale wuu Ogyahay aqoonsiga. Ay la socdaan dareenka wanaagsan iyo duni ku saabsan ilmaha hooyadii dhallinyarada mustaqbalka uu leeyahay si uu tijaabada badan oo wada tashi iyo qaadan badan oo baaritaano. Rugaha booqashooyinka noocan oo kale ah ayaa inta badan ka dhigi dareemayaasha. Laakiin imtixaanka loo baahan yahay in la xakameeyo koritaanka caadiga ah iyo horumarinta ilmaha in naag caloosha.
Marka ultrasound waa lagama maarmaan
Marka hooyo uurka leh ay timaado in soo dhaweynta uu dhakhtarka, waxa uu sharaxayaa baahida loo qabo iyo wakhtiyada qalab dhawrid ultrasound ah. Waxaa jira laba nooc oo baaritaan ultrasound: baarista iyo cilmi-baarista la xushay. Wac baaritaanka tijaabada khasab dhammaan haweenka uurka leh la isticmaalayo ultrasound la eego gaar ah. Sida caadiga ah ee caadiga ah baaritaan ultrasound ah hooyada uurka leh waxaa la qabtaa muddo 10 ilaa 12 toddobaad, ka 22 ilaa 24 toddobaad, at 32 iyo 37-38 isbuuc ee uurreyda iyo umulaha uurka. In fulinta noocan ah baadhitaan cabiraya size dhiciska iyo waafaqsanaanta heerarka, da'da uurka, xaaladda ilmo galeenka iyo mandheerta. waxbarashada ee Doorashada waxaa uu dhakhtarka xaadirka ah, haddii ay jirto shaki ah dhibaatooyin ee uurka. In the case of go'aaminta cudurada ee uurka tiro aan xad of jeer la fulin karo sahan sida.
Fetometry - waxa iyo sababta
Mid ka mid ah hababka muhiim loo arko uurjiifka fetometry. In fulinta dhakhtarka lafaguraa size uurjiifka iyo waafaqsanaanta iska caadi ah. Nidaamku wuxuu yahay xogta ku takhasusay ultrasound ah oo barbar caadooyinka loox. Check in waqti ka caawiyaa in lagu ogaado cilladaha iyo weecsanaanta horumarinta ilmaha. In qabashada fetometry go'aamiyo goobada ee madaxa uurjiifka by todobaadkii - caadi ah waa tilmaame muhiim ah. Wixii todobaad dhakhtarku wuxuu diyaariyaa qiimaha ultrasound iyo dhigaysa gunaanad ah oo ku saabsan caafimaadka ilmahaaga. Marka uu dhakhtarku sheegay in ilmaha caloosha ku yar yahay la aasaasay muddo siiyey, ka dibna ka hadlaan gaabis koritaanka uurjiifka. Haddii in koorsada ee uurka muujiyey arakayo for laba todobaad, dhakhaatiirta yidhaahdo oo ku saabsan horumarinta intrauterine. dib u dhac noocan oo kale ah uu sababi karo caadooyinka xun hooyadiis, cudurada gudaha, cillado koromosoomyada ahaan ama mandheerta.
Sidee goobada ee madaxa waxaa koraya caadiga ah horumarinta ilmaha caloosha ku
goobada Uur madaxa toddobaadyo - tilmaame muhiim ah horumarka ilmaha caloosha ku in hooyadeed ay uurkii. Sida aad ogtahay, madaxa ilmaha ee iyada Hooyo caloosha u di'in korayo. Bilowga horumarinta ee ay size la taaban karo ka badan inta uu le'eg yahay jidhka. By dhammaadka uurka, size uurjiifka yihiin yunifoomka iyo qalanta. Haddii aan raad kala duwanaansho ah ee goobada ee madaxa ilmaha caloosha ku toddobaadyo, waxa loo arki karaa in kororka ugu weyn dhacdaa saddexda bilood ee labaad. Waa min 15 ilaa 26 toddobaad ee uurka madaxa jajabka goobo kordhay celceliska ah ee 12-13 mm. korodhka waxa uu ka dhacayaa toddobaad kasta. Iyada oo koror dheeraad ah ee koritaanka jir iyo wareega madaxa uurka waxaa gaabis. By dhamaadka saddexda bilood ee saddexaad - oo ku saabsan bisha a dhalashada ilmaha ka hor - tiradaasi waa ka weyn yahay oo dhan 12-15 mm.
Sidee si loo cabbiro dhexroorka ee chips madaxa
Si loo cabbiro dhexroorka ee madaxa uurjiifka toddobaadyo, codsan cudurka si joogto ah la isticmaalayo qalabka ultrasound. Baadhitaan ay sameeyeen khubaro fuliyay dhowr Saadaasha in ay soo saaraan natiijooyinka ugu sax ah oo sax ah. Dheeraad ah cudurka dhakhtar madaxa goobada ogaanshaha fetometricheskih tilmaamayaasha sida biparietal (BDP) iyo dhererka lafta bowdada size sagittal, goobada caloosha, wajahadda-occipital (LZR) xal iyo kuwa kale.
caadooyinka Table codsatay cudurka waxay ka caawisaa si loo ogaado kuwa horumarinta uurjiifka xirfad iyo weecsanaanta ka iman kara. Haddii uu dhakhtarku helo leexashooyinkaasi weyn ka caadi ah, qof dumar ah ku bixiyeen in la sameeyo soo rididda.
formula ee xisaabinta
goobada ee madaxa ilmaha caloosha waxaa lagu go'aamiyaa todobaadkii sida ay mabda'a isku mid sida baaxadda biparietal: cabiray hab sida planimetry computer ama formula. Pre-ka go'an LZR biparietal iyo cabirka madaxa. formula waa sida soo socota: GM = 1/2 * (BDP + LZR) * 3.1416. Tiradaas waxaa dhif ah loo isticmaalo si loo xisaabiyo miisaankiisu uurjiifka, oo aanu ku xiran tahay qaabka madaxiisa.
Qiimaha goobada madaxa ilmaha
Oo waxa dhakhtarku ku sheegi kartaa tilmaame sida todobaadle ah madaxa goobada uurjiifka? Table of caadooyinka ee tilmaamahan leeyahay xad. Haddii ay dhaafto, tani waxay muujinaysaa joogitaanka rabshooyin horumarinta. Xaaladdan oo kale, hawsha ugu muhiimsan ee dhakhtarku uu noqonayaa ogaanshaha hore ee khaldama iyo wixii ay la saxo. Tusaale ahaan, kor u goobada madaxa astaan u noqon kartaa cudur sida yiraahdo hydrocephalus. Cudurku wuxuu teedu laftiisa in dheecaanka ku jira godadka of intraventricular maskaxda. Marxaladani waxay keenaysaa in la kordhiyo cadaadiska ku badanaya lafta madaxa iyo, sidaas awgeed, hoos u dhac in mugga maskaxda. Isla markiiba ka dib dhalashada ilmahaaga qaataan dalool ah. Isticmaal hab ka saaraan ururtay dheecaan iyo fududeeyo xaaladda ilmaha.
Qiimaha tilmaamayaasha loo gaarsiiyo
Xaaladaha intooda badan, ku soo koobin xad-dhaaf la xiriira sifooyinka gaarka ah ee jajabka. Tusaale ahaan, haddii waalidku badan yihiin, waxaa la qiyaasayo in ilmuhu waa mid aad u weyn. Sida hore u soo sheegnay, miiska ku jira goobada madaxa uurjiifka toddobaadka uurka. Hodanka dhammaadka uurka waxay keeni kartaa in dhibaato in habka bixinta. Tusaale ahaan, in dillaac ah ee perineum ah. Marka taasi la sameeyo jeexo, ie, meesha la qalay a yar yar si loo fududeeyo shaqada.
Muhiimadda tilmaame
Sayidka, qeexidda of tilmaamayaasha of goobada madaxa marxaladaha kala duwan ee uurka iyo is barbar tilmaamayaasha kale caawisaa dhakhtarka in waqtiga lagu ogaado cillad uurjiifka, koritaanka iyo horumarka, iyo sidoo kale dhibaatooyinka ka iman kara. Qof dumar ah oo waa in aan la micneeyey si madaxbanaan ama isku dayaan in ay rayi ultrasound natiijada baaritaanka iyo gebagebo ah oo ku saabsan caafimaadka ilmahaaga. Dhakhtarku wuxuu galay account arrimo badan oo la-socoshada, ka dibna kaliya ka dhigi gabagabo hadaf. Waxaa muhiim ah in la xasuusto in horumarinta ilmo kasta si gaar ah oo laga yaabaa in aanay ka dhaca qiimaha xisaabaya.
32 todobaad - sababta ay muhiim
talaabo muhiim ah in cudurka ultrasound waa erey toddobaadkii 32aad ee uurka. Ilaa muddadaas, ilmaha caloosha ku helo booska saxda ah ee habka dhalashada - madaxa hoos. goobada madaxa uurjiifka (32 toddobaad uur ah) wuxuu ku saabsan yahay 283-325 mm. Tani waxay muddo uurka waa arrin muhiim ah. ilmaha Little hooyo caloosha ku dhawaad sameeyay iyo xitaa uu leeyahay baarkooda iyo suunniyadaba.
goobada ee madaxa uurjiifka: miis
Sida hore u soo sheegnay, Baadhista ultrasound ugu horeeyay hooyada uurka leh heysta on 10-12 toddobaad xaaladda xiiso leh. Shaxda muujinaysaa xogta ka toddobaadkii 11aad ee uurka. Xisaabinta qaadataa meel laga bilaabo taariikhda muddada la soo dhaafay caadada. Soo bandhigay xog xisaabaya on 10th, 50 iyo boqolkiiba 95. Xaaladaha intooda badan, dhakhaatiirta waxaa u janjeedha inay boqolkiiba 50, laakiin waxaa loo arkaa isbedbedelka caadiga ah min 10 ilaa 95. boqolkiiba waa boqolkiiba taas oo hoos xaddi gaar ah oo xiiso tijaabada. Taasi waa, boqolkiiba 50 th muujinaysaa in 50% qiimaha xogta waa ka hooseysa heerka this.
toddobaadka uurka | boqolkiiba | ||
10- | 50aad | 95 | |
11 | 53.0 | 63,0 | 73,0 |
12 | 58,0 | 71.0 | 84.0 |
13 | 73,0 | 84.0 | 96,0 |
14 | 84.0 | 97.0 | 110,0 |
15 | - | 110,0 | - |
16 | 112,0 | 124,0 | 136,0 |
17 | 121,0 | 135,0 | 149,0 |
18 | 131,0 | 146,0 | 161,0 |
19 | 142,0 | 158,0 | 174,0 |
20 | 154,0 | 170,0 | 186,0 |
21 | 166,0 | 183,0 | 200,0 |
22 | 178,0 | 195,0 | 212,0 |
23 | 190,0 | 207,0 | 224,0 |
24 | 201,0 | 219,0 | 237,0 |
25 | 214,0 | 232,0 | 250,0 |
26 | 224,0 | 243,0 | 262,0 |
27 | 235,0 | 254,0 | 273,0 |
28 | 245,0 | 265,0 | 285,0 |
29 | 255,0 | 275,0 | 295,0 |
30 | 265,0 | 285,0 | 305,0 |
31 | 273,0 | 294,0 | 315,0 |
32 | 283,0 | 304,0 | 325,0 |
33 | 289,0 | 311,0 | 333,0 |
34 | 295,0 | 317,0 | 339,0 |
35 | 299,0 | 322,0 | 345,0 |
36 | 303,0 | 326,0 | 349,0 |
37 | 307,0 | 330,0 | 353,0 |
38 | 309,0 | 333,0 | 357,0 |
39 | 311,0 | 335,0 | 359,0 |
40 | 312,0 | 337,0 | 362,0 |
Dabcan, waayo naag kasta oo xaaladda mucjiso yar oo waxa ugu muhiimsan ee dunida. Ilaa cad wali ku jiro caloosha, sida kaliya ee si aad u aragto waa ultrasound. muhiimadda ay leedahay daraasadda of tilmaamayaasha of goobada madaxa, dhererka, miisaanka oo kale waa ay sabab u tahay baahida loo qabo la socodka joogtada ah ee horumarinta uurjiifka. Noocan oo kale ah la socodka ma aha oo kaliya ka caawisaa soo maray si fiican u ilaaliyaan uurka, laakiin sidoo kale xasiliyaa hooyo mustaqbalka, kuwaas oo doonaya in ay si deg deg ah ku qabtaan on gacmaha jajabka ay.
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