Noj qab haus huvCov poj niam kev noj qab nyob

Me nyuam hauv plab lub taub hau ib ncig txhua lub limtiam: Rooj

Rau tag nrho cov poj niam, cev xeeb tub yog ib tug tshwj xeeb theem ntawm lub neej. Thaum lub sij hawm no, lub expectant niam yog muaj ib tug tshiab nov ntawm nqaij tawv, thiab nyob rau lwm yam tes paub nws yog leejtwg tiag. Nrog rau qhov zoo tus cwj pwm txawv thiab u txog lub neej yav tom ntej tus me nyuam hluas niam muaj mus yauv ib tug ntau ntawm kev sib tham thiab noj ib tug ntau ntawm kev ntsuam xyuas. Mus xyuas cov chaw kho mob feem ntau ua tshee. Tab sis kev ntsuam xyuas uas yuav tsum tau tswj lub qub kev loj hlob thiab kev loj hlob ntawm tus me nyuam nyob rau hauv lub plab poj niam.

Thaum ultrasound yog tsim nyog

Thaum ib leej niam los txog rau lub txais tos rau nws tus kws kho mob, nws piav txog cov kev xav tau thiab cov sij hawm poob ntawm lub ultrasound soj apparatus. Nws muaj ob hom ntawm ultrasound xeem: soj ntsuam kuaj thiab xim kev tshawb fawb. Hu soj ntsuam kuaj yuav tsum tau tshuaj ntsuam txog ntawm tag nrho cov cev xeeb tub cov poj niam siv ultrasound nyob rau hauv tej yam lus. Feem ntau niaj hnub ultrasound kev soj ntsuam ntawm lub expectant niam yog nyob rau ib lub sij hawm ntawm 10 mus rau 12 lub lis piam, los ntawm 22 mus rau 24 lub lim piam, ntawm 32 thiab 37-38 lub lis piam hnub obstetric. Nyob rau hauv nqa tawm no hom ntawm daim ntawv ntsuam xyuas ntsuas qhov luaj li cas ntawm lub fetus thiab lawv ua raws li cov qauv, cov gestational hnub nyoog, tus mob ntawm lub tsev me nyuam thiab lub tsev me nyuam. Xaiv cov kev tshawb fawb yog tsa los ntawm cov kws kho mob, yog hais tias muaj yog ib tug suspicion ntawm ib tug mob uas cev xeeb tub. Nyob rau hauv cov ntaub ntawv ntawm kev txiav txim pathology ntawm cev xeeb tub unlimited tooj ntawm lub sij hawm tau yuav tsum tau nqa tawm xws li kev tshawb fawb.

Fetometry - dab tsi yog nws thiab yog vim li cas

Ib tug ntawm cov tseem ceeb cov txheej txheem xam tau tias yog fetometry fetus. Nyob rau hauv nqa tawm tus kws kho mob ntsuam cov me nyuam hauv plab luaj li cas thiab lawv ua raws li cov cai. Tus txheej txheem yog ib qho ultrasound specialist cov ntaub ntawv uas muab piv nrog ntxhuav kev cai. Check nyob rau hauv lub sij hawm yuav pab tau ntes tsis xws luag thiab hloov nyob rau hauv txoj kev loj hlob ntawm tus me nyuam. Nyob rau hauv kev fetometry txiav txim los ntawm qhov ib ncig ntawm lub me nyuam hauv plab lub taub hau los ntawm lub lim tiam - qhov txhia yog ib qho tseem ceeb qhia. Rau lub lim piam tus kws kho mob fixes cov ultrasound qhov tseem ceeb thiab ua rau cov lus xaus hais txog cov kev kho mob ntawm koj tus me nyuam. Thaum tus kws kho mob hais tias lub fetus me dua tsim rau ib tug muab lub sij hawm, ces tham txog tseg txoj kev loj hlob ntawm lub fetus. Yog hais tias nyob rau hauv lub chav kawm ntawm cev xeeb tub manifested lag rau ib tug ob peb lub lis piam, cov kws kho mob hais txog cov intrauterine txoj kev loj hlob. Tej kev ncua tej zaum yuav tshwm sim los ntawm tsis tau phem niam, nrog mob, chromosomal anomalies los yog placental insufficiency.

Yuav ua li cas yog qhov ib ncig ntawm lub taub hau yog ib txwm loj hlob tsim fetus

Me nyuam hauv plab lub taub hau ib ncig rau lub lis piam - ib tug tseem ceeb qhia ntawm kev loj hlob ntawm lub fetus nyob rau hauv lub plab niam. Raws li koj paub, tus me nyuam lub taub hau nyob rau hauv nws lub plab Niam hlob unevenly. Thaum pib ntawm txoj kev loj hlob ntawm nws loj tshaj considerably qhov luaj li cas ntawm lub cev. By kawg ntawm cev xeeb tub, me nyuam hauv plab loj yog uniform thiab proportionate. Yog hais tias peb lw lub variation ntawm qhov ib ncig ntawm lub fetus lub taub hau rau lub lim piam, nws yuav pom tias tus loj tshaj nce tshwm sim nyob rau hauv lub thib ob peb lub hlis. Nws yog los ntawm 15 mus rau 26 lub lis piam uas cev xeeb tub vajvoog khoom noj lub taub hau ntau zog los ntawm ib tug nruab nrab ntawm 12-13 hli. Qhov no nce yuav siv sij hawm qhov chaw txhua txhua lub lim tiam. Nrog ib tug ntxiv nce nyob rau hauv gestational hnub nyoog thiab lub taub hau ib ncig txoj kev loj hlob yog slowing. Los ntawm kawg ntawm tus thib peb peb lub hlis - txog ib lub hlis ua ntej yug me nyuam ntawm ib tug me nyuam - qhov no daim duab yog ntau tshaj tag nrho 12-15 hli.

Yuav ua li cas los ntsuas qhov ib ncig ntawm lub taub hau chips

Nyob rau hauv thiaj li yuav ntsuas qhov ib ncig ntawm lub me nyuam hauv plab lub taub hau rau lub lim piam, thov ib tug tsis tu ncua mob siv ultrasound ntaus ntawv. Ib txoj kev tshawb nqa tawm los ntawm cov kws txawj nyob rau hauv ob peb qhov los ua tus tshaj plaws yog thiab leej tau. Ntxiv diagnostic lub taub hau ib ncig kws kho mob mob fetometricheskih xws ntsuas raws li biparietal (BDP) thiab sagittal loj ncej puab pob txha ntev, mob plab ncig, fronto-occipital (LZR) daws teeb meem thiab lwm tus neeg.

Rooj cai thov rau tus mob yuav pab los mus txiav txim cov neeg txawj me nyuam hauv plab kev loj hlob thiab tej zaum hloov. Yog hais tias tus kws kho mob no tseem ceeb deviations los ntawm cov cai, tus poj niam muaj rau ua ib tug rho menyuam.

Cov mis rau xam

Lub ib ncig ntawm lub taub hau ntawm lub fetus yog txiav txim los ntawm lub lim tiam raws li cov ntsiab cai tib yam li tus biparietal loj: ntsuas los ntawm ib txoj kev xws li ib tug computer planimetry los yog mis. Pre-determined biparietal LZR thiab lub taub hau loj. Cov mis yog raws li nram no: FG = 1/2 * (BDP + LZR) * 3.1416. Qhov no xam yog tsis tshua muaj siv los mus laij lub me nyuam hauv plab yuag, thiab tsis yog nyob ntawm seb tus duab ntawm nws lub taub hau.

Tus nqi ntawm tus me nyuam lub taub hau ib ncig

Yuav ua li cas yuav tus kws kho mob qhia rau ib tug taw qhia xws li cov me nyuam hauv plab lub taub hau ib ncig txhua lub limtiam? Rooj ntawm kev cai ntawm qhov ntsuas no muaj kev txwv. Yog hais tias lawv yog tshaj, qhov no qhia muaj cov teeb nyob rau hauv txoj kev loj hlob. Nyob rau hauv cov ntaub ntawv no, lub ntsiab hauj lwm ntawm tus kws kho mob yuav ua ntej lawm kom paub tias cov hloov thiab lawv kho. Piv txwv li, muaj zog lub taub hau ib ncig tej zaum yuav qhia kab mob xws li hydrocephalus. Tus kab mob manifests nws tus kheej nyob rau hauv cov kua nyob rau hauv lub muaj kab noj hniav ntawm lub paj hlwb ventricles. Qhov no txoj kev ua rau ib qho kev nce nyob rau hauv siab tsis pub dhau lub pob txha taub hau thiab, thiaj li, ib tug txo nyob rau hauv lub hlwb ntim. Tam sim ntawd tom qab yug me nyuam ntawm koj tus me nyuam siv tej. Siv cov txheej txheem tuskheej sau kua thiab pab txhawb tus me nyuam tus mob.

Tus nqi ntawm indicators rau tus me nyuam

Nyob rau hauv Feem ntau, qhov tshaj tsis yog hais txog tus neeg yam ntxwv ntawm cov khoom noj. Piv txwv li, yog hais tias tus niam txiv yog loj, nws yog assumed tias tus me nyuam yog ib yam nkaus thiab loj. Raws li twb tau hais, lub rooj muaj lub me nyuam hauv plab lub taub hau ib ncig ntawm lub lim tiam uas cev xeeb tub. Qhov nce ntawm lub kawg ntawm cev xeeb tub yuav ua rau muaj teeb meem nyob rau hauv lub me nyuam txheej txheem. Piv txwv li, rau cov kev sib tawg ntawm lub perineum. Thaum zoo li no yog ua li cas episiotomy, piv txwv li, ib tug me me incision los pab txhawb zog.

Tseem ceeb ntawm qhov taw qhia

Yog li, lub ntsiab txhais ntawm kev ntsuas ntawm lub taub hau ib ncig ntawm txawv ua sawv ntawm cev xeeb tub thiab muab piv lwm yam kev ntsuas yuav pab tus kws kho mob los raws sij hawm ntes me nyuam hauv plab abnormality, kev loj hlob thiab kev loj hlob, zoo li tej zaum teeb meem. Ib tug poj niam yuav tsum tsis txhob muab txhais ntawm nws tus kheej los yog sim tau decipher lub ultrasound diagnostic tau thiab kos cov lus xaus txog cov kev kho mob ntawm koj tus me nyuam. Tus kws kho mob yuav siv sij hawm mus rau hauv tus account ntau yam thiab kev soj ntsuam, thiab xwb ces ua ib lub hom phiaj xaus. Nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias cov kev loj hlob ntawm txhua tus me nyuam ib lub zuj zus thiab tej zaum yuav tsis tshwm sim nyob rau hauv lub tabulated qhov tseem ceeb.

32 lub lis piam - yog vim li cas nws yog ib qho tseem ceeb

Ib qho tseem ceeb kauj ruam nyob rau hauv ultrasound mob yog ib lub sij hawm nyob rau hauv lub 32nd lub lim tiam ntawm cev xeeb tub. Nyob ib ncig ntawm lub sij hawm no, lub fetus tau txais qhov tseeb txoj hauj lwm rau me nyuam yug los txheej txheem - lub taub hau cia. Me nyuam hauv plab lub taub hau ib ncig (32 lub lis piam hnub) yog hais txog 283-325 hli. Qhov no lub sij hawm uas cev xeeb tub yog heev tseem ceeb. Me me nyuam pw khwb rwg niam yuav luag tsim thiab txawm muaj cov plaub muag thiab pob muag.

Lub ib ncig ntawm lub me nyuam hauv plab lub taub hau: ib lub rooj

Raws li twb tau hais, tus thawj loj ultrasound diagnostics expectant niam tuas rau 10-12 lub lim piam ntawm ib qho kev nthuav qhov teeb meem no. Lub rooj qhia tau hais tias cov ntaub ntawv los ntawm lub 11th lub lim tiam ntawm cev xeeb tub. Lub xam yuav siv sij hawm qhov chaw ntawm lub hnub ntawm lub xeem coj khaub ncaws. Nthuav tabulated cov ntaub ntawv nyob rau hauv lub 10, 50 thiab 95th percentiles. Nyob rau hauv feem ntau tus neeg mob, cov kws kho mob yog taw qhia kom paub mus rau lub 50 feem pua, tab sis pom tau hais tias ib txwm hloov mus hloov los los ntawm 10 mus rau 95. Cov feem pua yog qhov feem pua ntawm cov uas yog hauv qab no ib qhov nqi ntawm kev txaus siab nyob rau hauv tus qauv. Uas yog, lub 50 th feem pua qhia tau hais tias 50% ntawm cov ntaub ntawv tseem ceeb hauv qab no yog rau theem no.

Me nyuam hauv plab lub taub hau ib ncig - lub cai, mm

cev xeeb tub lub lim tiam

percentiles

10

50

95th

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

Ntawm cov hoob kawm, rau txhua txhua tus poj niam tus mob ntawm ib tug me me txuj ci tseem ceeb qhov tseem ceeb tshaj plaws nyob rau hauv lub ntiaj teb no. Kom txog thaum lub ib qho kuam me me yog tseem nyob rau hauv lub plab, tsuas yog txoj kev mus ntsib nws yog ultrasound. Qhov tseem ceeb ntawm txoj kev tshawb ntawm kev ntsuas ntawm lub taub hau ib ncig, qhov siab, hnyav thiab lwm yam yog vim qhov yuav tsum tau kev nruam xyuas ntawm me nyuam hauv plab kev loj hlob. Tej saib xyuas tsis tau tsuas yog pab tej zoo muaj cev xeeb tub, tab sis kuj calms lub neej yav tom ntej tsis hais lus, leej twg xav mus sai sai tuav nyob rau hauv ob txhais tes lawv noj uas poob.

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