Oddly txaus, tab sis cov ntxhais paub yuav luag tsis muaj dab tsi txog fertile hnub. Tsis tas li ntawd, ntau tus kuj tseem hnov txog cov hnub zoo li no thawj zaug. Qhov xwm txheej yog qhov sib txawv rau cov neeg uas xav xeeb tub. Nws kuj tshwm sim tias, rau ib qho laj thawj lossis lwm qhov, cov txij nkawm tsis tuaj yeem xeeb menyuam. Hauv qhov no, thawj yam uas lawv yuav tsum xav txog yog hnub fertile. Yog li dab tsi yog hnub fertile?
Txawm tias feem ntau ntawm cov txiv neej ib nrab ntawm cov pejxeem paub txog lub tswvyim ntawm "ovulation", tab sis txawm ntau tus ntxhais tsis tau hnov txog hnub yug. Fertile hnub yog hnub zoo tshaj plaws rau xeeb menyuam. Ntau tus yuam kev ntseeg tias qhov ua tau zoo tshaj plaws hauv qhov teeb meem no tuaj yeem tau txais thaum lub sij hawm ovulation, tab sis qhov no nyob deb ntawm rooj plaub. Qhov tseeb yog tias poj niam qe yog nyob deb ntawm ib txwm npaj rau fertilization. Lub sijhawm no tsuas yog 10-16 teev thiab, raws li txoj cai, cov sij hawm no poob rau hnub fertile, tab sis txiv neej spermatozoa siv tau rau ob hnub. Yog li ntawd, paub tseeb tias koj cov hnub yug me nyuam, koj tuaj yeem yooj yim ua ke ob lub txiaj ntsig zoo, uas, ntawm chav kawm, yuav ua rau lub tswv yim ntawm lub neej tshiab. Nws yog ib qho tseem ceeb kom paub koj cov hnub yug me nyuam rau cov ntxhais uas sim ua txhua txoj hauv kev kom tsis txhob xeeb tub. Nyob rau hauv rooj plaub no, thaum lub sij hawm fertile, nws yog qhov zoo dua los tiv thaiv koj tus kheej los yog tsis txhob ua kev sib deev tag nrho.
Feem ntau lub sijhawm fertile yog los ntawm 2 mus rau 6 hnub ua ntej ovulation thiab tib yam tom qab nws. Kev txiav txim siab hnub yug yog qhov yooj yim heev, thiab qhov no yog ua los ntawm ntau txoj hauv kev. Qhov yooj yim tshaj plaws, tab sis kuj yog txoj kev qub tshaj plaws yog daim ntawv qhia hnub. Txhawm rau txiav txim siab lub sijhawm muaj txiaj ntsig zoo, nws txaus los sau lossis kos rau ntawm daim ntawv qhia hnub hnub pib ntawm txhua qhov kev coj khaub ncaws. Txhawm rau xam lub sijhawm fertile, koj yuav tsum txheeb xyuas yam tsawg kawg ntawm 6-7 lub hlis dhau los, thiab tom qab ntawd faib cov kwv yees li hnub ntawm ib lub voj voog los ntawm ob. Piv txwv li, yog tias lub voj voog yog 30 hnub, ces 15 hnub yog ovulation, thiab ob peb hnub ua ntej thiab tom qab ovulation yog lub sij hawm fertile. Txoj kev no yooj yim, tab sis nws tsuas yog tsim nyog rau cov neeg uas muaj lawv lub sijhawm txhua hli nyob rau tib hnub.
Kev txiav txim siab koj hnub yug tuaj yeem ua tau zoo dua. Ua ntej tshaj plaws, qhov no tuaj yeem ua tiav los ntawm kev kawm txog qhov kev tso tawm. Thaum pib ntawm lub sij hawm fertile, lub tsev menyuam pib secrete mucus ntau abundantly, ntxiv mus, cov paug yuav ntau pob tshab thiab kua. Thaum lub sij hawm no, ib tug poj niam feem ntau xav tau ib lub ncoo txhua hnub. Qhov no tau piav qhia los ntawm qhov tseeb tias lub tsev menyuam nyob hauv fertileLub sij hawm tsim cov huab cua zoo tshaj plaws rau cov spermatozoa, yog li cov mucus ntawm lub tsev menyuam yog enriched nrog qabzib, proteins thiab ntsev. Koj tuaj yeem suav hnub fertile thiab los ntawm kev hloov lub cev kub ntawm tus poj niam. Nws yuav tsum tau ntsuas txhua hnub, tsis txhob tawm ntawm txaj, tam sim ntawd tom qab sawv. Lawv ua qhov no los ntawm lub qhov quav thiab sau tag nrho cov ntaub ntawv nyob rau hauv lub chaw muag mis nyuj los yog daim ntawv qhia hnub. Hnub uas qhov kub ib txwm nce los ntawm 0.3-0.6 degrees yuav yog thawj hnub fertile. Qhov kev hloov pauv ntawm qhov kub thiab txias no yog vim kev ua haujlwm ntawm cov tshuaj hormone progesterone thaum lub sij hawm fertile hnub.
