Cov menyuam ntxaib yug hauv tsuas yog 2% ntawm tag nrho cov yug. Tsis tas li ntawd, cov menyuam ntxaib tuaj yeem ua tau ob npaug (zoo ib yam li ib leeg zoo ib yam li cov txheeb ze ze) thiab zoo tib yam (muaj qhov zoo ib yam). Hauv tsab xov xwm no, koj yuav pom tias qhov tshwm sim ntawm kev muaj menyuam ntxaib yog dab tsi, nws nyob ntawm dab tsi thiab seb koj tuaj yeem nce lossis txo nws.
Yuav ua li cas muaj menyuam ntxaib?
Feem ntau, lub peev xwm xeeb menyuam ntxaib dhau los ntawm tus poj niam kab. Cov neeg sawv cev ntawm kev sib deev muaj zog tsuas yog dhau qhov peev xwm no rau lawv cov ntxhais yog tias muaj cov xwm txheej ntawm cov menyuam ntxaib hauv lawv tsev neeg. Muaj ntau ntau yam uas cuam tshuam qhov tshwm sim ntawm xws li kev xav ntawm conception:
1) Genetic predisposition. Thaum twb muaj menyuam ntxaib hauv tsev neeg lawm, lub sijhawm los nthuav tawm ob peb tus menyuam mos rau lub ntiaj teb yuav loj heev. Tab sis qhov muaj feem yuav muaj menyuam ntxaib txo qis nrog cov tiam ntawm cov menyuam ntxaib uas nyob deb ntawm lub sijhawm.
2) Lub hnub nyoog ntawm leej niam expectant. Hauv cov poj niam laus, lub cev tsim cov tshuaj hormones ntau dua. Nws yog lawv uas yog ib qho tseem ceeb parameter rau maturation ntawm lub qe, thiab nrog rau cov kev nce nyob rau hauv cov tshuaj hormones, qhov tshwm sim ntawm lub simultaneous tso tawm ntawm ob peb qe nce.
Cov poj niam uas muaj hnub nyoog 35-39 xyoo muaj peev xwm yug tau ob peb tus menyuam tib lub sijhawm.
3) Lub sijhawm nruab hnub nrig. Qhov no tseem cuam tshuam rau kev tsim cov tshuaj hormones tsim nyog. Lub sijhawm zoo tshaj plaws rau kev xeeb menyuam ntxaib yog caij nplooj ntoos hlav, thaum nruab hnub nrig ntev dua.
4) Lub sijhawm ntawm kev coj khaub ncaws. Qhov zoo tshaj plaws uas yuav tau txais menyuam ntxaib yog nyob rau hauv cov poj niam uas muaj kev coj khaub ncaws tsis pub dhau 21 hnub.
5) Qhov tshwm sim ntawm qhov tshwm sim ntawm cov menyuam ntxaib kuj nce ntxiv rau cov poj niam uas muaj pathologies ntawm txoj kev loj hlob ntawm lub tsev menyuam (muaj kev sib cais hauv cov kab noj hniav ntawm qhov chaw mos lossis lub tsev menyuam bifurcated).
6) noj tshuaj tiv thaiv kab mob. Nws kuj ua rau muaj kev hloov pauv hauv kev tsim cov tshuaj hormones, uas ua rau muaj feem ntau ntawm kev loj hlob ntawm ntau lub qe. Qhov muaj feem yuav muaj ob peb tus menyuam nce ntxiv yog tias cev xeeb tub tshwm sim tam sim tom qab siv tshuaj tiv thaiv kab mob, uas tau noj tsawg kawg 6 lub hlis.
7) Artificial insemination. Feem ntau, nrog rau txoj kev fertilization no, cov menyuam ntxaib thiab txawm triplets yug, uas tshwm sim thaum noj tshuaj hormonal.
Txawm hais tias cov kws kho mob tsis tau kawm tag nrho qhov tshwm sim ntawm kev yug menyuam ntxaib, koj tseem tuaj yeem pom qhov muaj feem yuav muaj menyuam ntxaib yog tias koj tig mus rau noob caj noob ces. Txhawm rau ua qhov no, koj yuav tsum tau kuaj xyuas tshwj xeeb thiab qhia rau tus kws kho mob txog cov pedigree los ntawm tiam plaub.