Piv txwv li, triplets tuaj yeem tshwm sim los ntawm ib zygote (ib lub qe fertilized los ntawm ib tug phev) faib ua peb. Qhov no txhais tau hais tias triplets yuav zoo tib yam genetic. Triplets kuj tuaj yeem tshwm sim yog tias ib qho ntawm ob zygotes faib ua ib nrab.
triplets tshwm sim li cas?
Ib yam ntxaib lossis triplets tshwm sim thaum ib lub qe fertilized thiab tom qab ntawd sib cais Cov embryos tshiab tau muab faib ua tib yam. Cov menyuam yaus uas sib npaug sib npaug yuav zoo li ib leeg thiab yog tib tug poj niam txiv neej. Fraternal multiples tsim los ntawm cov qe sib cais uas fertilized los ntawm cov phev sib txawv.
Yuav ua li cas thiaj muaj triplets?
Ntawm, menyuam ntxaib tshwm sim li ntawm ib ntawm 250 cev xeeb tub, triplets hauv kwv yees ib ntawm 10,000 cev xeeb tub, thiab quadruplets txog ib ntawm 700, 000 cev xeeb tub. Lub ntsiab tseem ceeb uas ua rau koj muaj feem ntau ntawm kev xeeb tub yog kev siv cov kev kho tsis muaj menyuam, tab sis muaj lwm yam.
Kev xeeb tub triplet ua tiav li cas?
Ntawm peb lub cev xeeb tub, 98% ntawm tag nrho cov menyuam yug tom qab 28 lub lis piam gestation ciaj sia! Tau kawg tu siab, qhov no tsis yog qhov xwm txheej rau txhua qhov kev xeeb tub, triplet lossis lwm yam, thiab qhov tsis tau piav qhia tuaj yeem tshwm sim txhua lub sijhawm thaum cev xeeb tub.
Puas yog triplets ua tau?
Zoo li menyuam ntxaib, triplets thiab lwm yam kev txiav txim siab dua tuaj yeem raug cais los ntawm lawv cov zygosity lossis qib ntawm cov caj ces zoo sib xws. Txawm hais tias triplets feem ntau yog fraternal (dizygotic lossis trizygotic), nws muaj peev xwm ua tau rau triplets kom zoo ib yam (monozygotic).
