Cov menyuam ntxaib yog dab tsi?
Lawv zoo tib yam (monozygotic) thiab ntau lub qe. Thawj yog yug los ntawm qhov faib ntawm ib lub qe fertilized. Thaum cov kws kho mob tshwj xeeb tsis tuaj yeem qhia qhov tseeb ntawm qhov tshwm sim no. Lub tom kawg yog yug los ntawm qhov tseeb hais tias nyob rau hauv lub cev ntawm ib tug poj niam ntau tshaj ib lub qe yog ripening, uas kuj fertilized los ntawm spermatozoa. Multi-egg twins kuj hu ua tus kabmob, cov kabmob, nyob ntawm seb muaj pes tsawg tus menyuam. Lawv feem ntau yog hu ua twins los yog triplets. Feem ntau lawv yug los raws li cov txiaj ntsig ntawm cov khoom neeg tsim.
Yuav ua li cas yuav xeeb tub lub menyuam ntxaib?
Cov poj niam uas xav muab ob peb tug me nyuam yug ib zaug, tab tom sim seb yuav ua li cas pab txhawb qhov no. Thiab yog hais tias cov kws tshawb fawb tsis muab piav qhia rau lub tswv yim ntawm cov kab laug sab monosygotic, ces tej yam feem xyuam rau txoj kev xav ntawm menyuam ntxaib:
- muaj hnub nyoog tshaj 30 leej niam;
- muaj nyob rau hauv tsev neeg ntawm xws li mob ntawm tus niam txiv kab;
- tom qab kis tau cov tshuaj hormonal.
Nws kuj ntseeg tau tias cov uas xav xeeb tub ntxhias, ob leeg tub thiab ntxhais, nws tsim nyog npaj plab me nyuam rau lub sij hawm uas pub tus me nyuam loj hlob. Piav qhov no los ntawm qhov tseeb hais tias yuav muaj feem ntau zog thaum lub sijhawm pub mis.
Ib txhia sib cav hais tias cov poj niam uas xav hais tias yuav ua li cas yuav tsum tau yug menyuam ntxaib yuav tsum haus ntau ntau ntawm cov khoom noj siv mis thaum lub sijhawm npaj muaj menyuam hauv plab, thiab haus cov tshuaj folic acid. Neeg tsis txawj ntse, ntawm qhov tawm tsam, txo qhov no .
Muaj ntau cov tswv yim rau kev xeeb tub los yog cov menyuam yaus ntawm ib tus poj niam txiv neej, ib lub rooj. Lawv qhia lub hli thiab hnub thaum lub sijhawm yuav tau nce.
