Fraternal menyuam ntxaib thiab zoo tib yam: sib txawv

Yug ib tug me nyuam - ib tug txawv txawv, fascinating lub sij hawm ntawd. Cov tag nrho lub neej ntawm ib tug hluas niam pib tig ib ncig ntawm ib tug me me txuj ci tseem ceeb, los rau hauv lub ntiaj teb no. Thiab yog hais tias ib tug poj niam nyob nrog ob (los yog xav paub ntxiv) cov me nyuam, ces zoo siab ua loj.

Cov me nyuam yug ntawm cov menyuam ntxaib theem cov excitement los teeb meem kev kho mob, sleepless nights, tab sis lub sij hawm ntawm tus me nyuam yug ntawm cov me nyuam uas muaj kev zoo siab.

hom menyuam ntxaib

Yog hais tias ib tug poj niam tau tas ntau cev xeeb tub, ces nws yuav tsum yug los menyuam ntxaib. Cov me nyuam yuav tsum yog raws nraim qhov qub los yog txawm ib tug me ntsis zoo sib xws, tab sis tseem ntau nws kuj. Nws tag nrho cov nyob rau dab tsi tshwm sim rau fertilization ntawm lub qe. Nyob rau hauv no, cov menyuam ntxaib muab faib ua:

• zoo tib yam (monozygotic);
• dizygotic (DZ).

zoo tib yam cov menyuam ntxaib

Cov me nyuam yug ntawm ob tug zoo tib cov me nyuam tseem yog ib tug paub tsis meej rau noob neej. Yog vim li cas yog thawj zaug rau theem ntawm lub qe pib sib faib thiab tsim tib yam embryos, tseem tsis paub hais tias.

Monozygotic menyuam ntxaib - yog lub txiaj ntsim ntawm fertilization ntawm ib qe los ntawm ib tug kab. Cov uas ua diploid cell pib faib, uas ua rau nws tus kheej-tsim embryos. Feem ntau cov feem ntau lawv tshwm sim ob, tab sis muaj tej zaum yuav ntau. Kev zoo sib thooj yav tom ntej cov me nyuam mos los ntawm xws li ib tug cev xeeb tub yog txiav txim los ntawm qhov kev sib cais ntawm cov embryos. Yog hais tias nws tshwm sim nyob rau hauv thawj 5 hnub, lub embryos muaj txhua lawv tsev me nyuam thiab amniotic npuas. Nyob rau hauv cov ntaub ntawv no, nyob rau hauv lub sab nrauv ntawm lub neej yav tom ntej cov me nyuam yuav tsum tau muaj hnub nyoog sib txawv. Yog hais tias qhov kev sib cais tshwm sim tom qab lub thib tsib hnub, lub embryos muaj ib qho tsev me nyuam thiab qhov zoo sibxws ntawm lawv yog ua tsis yog.

Nthuav fact: monozygotic menyuam ntxaib, nyob rau hauv feem ntau muaj zoo tib yam cov yiv tes.

Yog vim li cas rau cov uas muaj ib tug faib ntawm lub zygote rau hauv ob los yog ntau tshaj tib yam embryo, tseem tsis tau kawm txog. Qhov ntau yam ntawm tib yam cov me nyuam mos yug yog 3 mus rau 1000, thiab tsis yog nyob ntawm seb caj.

fraternal menyuam ntxaib

Conception ntawm cov menyuam ntxaib tau los ntawm fertilization ntawm ova ob tug sib txawv phev. Nyob rau hauv utero txhua embryo nws muaj nws tus kheej lub tsev me nyuam thiab npaj nws tus kheej ntawm lwm cov. Dizygotic menyuam ntxaib yuav tsum yog tib-poj niam los yog opposite-poj niam txiv. Sab nraud kev zoo sib thooj lawv yuav zoo li cov kwv tij thiab cov muam uas raug yug los ntawm ib txwm singleton cev xeeb tub.

fraternal menyuam ntxaib xeeb tej zaum yuav ua tau ib tug sib txawv ntawm ib tug ob peb teev, los yog tej zaum txawm nyob rau hauv ib tug ob peb hnub.

Nta ntawm dizygotic menyuam ntxaib

Paub tseeb rau kev yug me nyuam fraternal menyuam ntxaib:

• lawv cov noob zoo tib yam los ntawm hais txog 40-50%;
• txhua embryo nws muaj nws tus kheej lub tsev me nyuam thiab amniotic nws cov dej;
• yug me nyuam yuav ua tau ob qho tib si ntawm cov tib pw ua ke thiab opposite-poj niam txiv;
• cov me nyuam tej zaum yuav muaj ntau cov ntshav hom;
• qhov yuav ua rau lawv tshwm sim tsub kom nyob rau hauv cov poj niam tshaj 35 xyoo;
• raws li ib tug tshwm sim ntawm IVF kev kho mob feem ntau tshwm menyuam ntxaib raws li ib tug poj niam tso ob peb fertilized qe.

Yog nws tau mus teem sij hawm cov me nyuam yug ntawm cov menyuam ntxaib?

Yug ib tug me nyuam - nws yog ib qho txawv txawv, fascinating lawm hais tias muaj yog ib tug niam tsev hluas, uas tau muab rau tus me nyuam lub neej. Ib tug ntxaib yug (cov menyuam ntxaib) mus rau ib tug ntau dua twg muaj txhawb rau cov kev xav ntawm kev zoo siab. Txawm li cas los, lawv cov tsos lub sij hawm yog tsis yooj yim sua.

Yog hais tias ib tug fertilized qe yog pw ntaub ntawv raws li ib tug yav tom ntej tus me nyuam, thiab hais txog dab tsi nws yuav tsum yog ib tug uas cev xeeb tub - ib tug singleton los yog ntau yam, yog li tus nyob rau hauv no txoj kev lawm tsis yooj yim sua. Koj muaj peev xwm tsuas paub cov yam tseem ceeb nyob rau hauv uas tsub kom qhov yuav ntawm cov menyuam ntxaib.

Tej yam zoo xws li:

• cev xeeb tub cov poj niam hnub nyoog 35-39 xyoo;
• muaj menyuam ntxaib nyob rau hauv ib tiam (. cov tsos ntawm tib yam yog tsis muaj feem xyuam rau raws roj ntsha yam tsis paub yog vim li cas thiab nyob rau hauv dab tsi tej yam kev mob, lub qe pib faib rau hnub tim);
• luv luv cev ntas (hnub 20-21) - nyob rau hauv no voj voog ob peb oocytes maturation qhov yuav tshwm yog nce;
• ntxiv lawm tshob kev kho mob. Nyob rau hauv cov kev kho mob ntxiv lawm tshob siv hormonal tshuaj uas kov qe maturation thiab ovulation, qhov tshwm sim yuav muaj ntau cev xeeb tub;
• IVF - nyob rau hauv vitro, feem ntau ua rau cov me nyuam yug ntawm cov menyuam ntxaib los yog ntau tshaj cov me nyuam mos.

Cov kev sib txawv ntawm cov menyuam ntxaib thiab menyuam ntxaib

Yuav summed li raws li seb qhov sib txawv ntawm tib menyuam ntxaib los ntawm fraternal. Xav txog tus yam ntxwv uas yuav muaj cov me nyuam uas tau yug los nrog ntau yam uas cev xeeb tub.

Zoo tib yam cov menyuam ntxaib:

• Cov me nyuam muaj tib zoo sib xws, tab sis nyob rau tej taw tes nws yuav mirrored. Piv txwv li, ib daim iav duab ntawm uas twb muaj lawm moles.
• Nyob rau hauv tas li ntawd mus rau lwm zoo sib thooj, tib lub cev hom thiab cov plaub hau qauv, kev kho hniav, lub suab, thiab txawm xav yog heev uas zoo sib xws.
• Lawv muaj tib lub ntshav pab pawg neeg thiab feem ntau zoo ib yam li cov yiv tes.
• Yuav gay, lawv kuj hu ua ntuj clones.
• Teem cov me nyuam yug ntawm monozygotic menyuam ntxaib yog tsis tau.

Fraternal menyuam ntxaib:

• Yog ob leeg tib-poj niam txiv thiab opposite-poj niam txiv.
• Tej zaum yuav muaj txawv ntshav hom.
• Lub cev resemblance - nto.

Raws li koj tau pom, qhov zoo sibxws ntawm zoo tib yam thiab fraternal menyuam ntxaib tsis muaj tsuas yog ib lub npe - "cov menyuam ntxaib." Nyob rau hauv cov ntaub ntawv no, cov neeg feem ntau hu ua tib yam cov menyuam ntxaib me nyuam, thiab fraternal - .. Ntxaib, triplets, lwm yam sib txawv nruab nrab ntawm lawv yuav pib muaj los ntawm lub sij hawm ntawm conception.

xaus

Lub rov tshwm sim ntawm ib tug tshwm sim ntawm ib tug cev xeeb tub, ob tug los yog ntau tshaj cov me nyuam theem nce xim rau cov neeg nyob ib ncig ntawm lawv rau cov me nyuam. Nyob rau hauv no fraternal menyuam ntxaib zoo li zoo tib yam cov nus muag (ob viv ncaus thiab 2 kwv tij), yog li ntawd tsis tsis nyiam xim.

Me nyuam ntxaib yeej tib yam nkaus yog txaus siab rau cov haiv neeg. Feem ntau cov yuav, qhov no yog vim lub rarity ntawm no phenomenon. Yog li ntawd, pom ob tug kiag li zoo tib yam neeg, passer tas nres rau lawv koj lub tswv yim.

Yog li ntawd nws yog tsim nyog los paub tias ntau yam uas cev xeeb tub yog cai nyob rau hauv tshwj xeeb tswj, vim hais tias lub cev yog nyob rau hauv ib tug hnyav load dua thaum lub sij hawm ib txwm cev xeeb tub. Tos niam yuav tsum attentive mus rau lawv noj qab haus huv. Yog li ntawd, muab yug mus noj qab nyob zoo ntxaib, nws yog tsim nyog los mloog mus rau lub tswv yim ntawm ib tug kws kho mob, ces lub sij hawm ntawm lub rooj sib tham nrog cov me nyuam yuav tsum tau sau nrog tsuas zoo.