Kodi ndi chikhalidwe chiti cha kukwezedwa kwa maselo obereka ana mu dongosolo la kubala?
Pakati pa kugonana, popanda kugwiritsira ntchito njira zoberekera, mimba ya ejaculate imagwera m'mimba mwazikazi. Pakati pa chiwalo ichi cha uchembere, ndi pH pafupifupi 4. Ichi ndichifukwa chake, pafupifupi maola awiri mutatha kugonana, maselo ambiri ogonana omwe agwera mu umuna amamwalira. Ndizovuta kwambiri komanso zowonjezereka kwambiri zomwe zimapitiliza kupititsa patsogolo kachilombo ka HIV ndikufika kuchilombo. Pano iwo amakumana ndi ntchentche ya khola lachiberekero, yomwe ingakhalenso ndi chitetezo chochepa kwa chiberekero. Choncho, mwachitsanzo, mbola yamtundu wa pervicous muscus sungapitirire kupitirira kuposa umuna.
Chotsatira chake, ndi gawo limodzi la maselo a abambo omwe amatha kufika ku chiberekero cha uterine. Pochita zoyesayesa ndi akatswiri a sayansi ya azungu a azungu, sizingatheke kukhazikitsa momwe umuna umayenera kukhalira m'mimba, kuti mkazi athe kutenga mimba. Motero asayansi amadziwika, kuti mtengo wamtengo wapatali ulibe mphamvu ya ejaculate, ndipo kuchuluka kwa maselo a kugonana kuli mkati mwake.
Ndi umuna wochuluka bwanji woti ungatenge mimba?
Zofufuza zambiri zasonyeza kuti mu ejaculate yomwe ili m'mimba mwa vagin, spermatozoa iyenera kukhala osachepera 10 miliyoni. Chinthuchi ndi chakuti pafupifupi gawo limodzi la chikwi lifika pa chiberekero cha uterine. Tiyenera kukumbukira kuti zambiri za spermatozoa zomwe zalowa mu chiwalo chachikulu cha kugonana cha thupi lachikazi zatha kale. Mphamvu yolowera dzira imakhala yokwanira kwa maselo ochepa chabe a majeremusi.
Choncho, ngati tikulankhula za umuna womwe umalowa mumaliseche kuti ukhale ndi pakati, ndiye kuti, monga lamulo, mokwanira ndi osachepera 1 ml. Mfundo imeneyi iyenera kuganiziridwa, poyamba, ndi amayi omwe posachedwapa anabala mwana ndipo sagwiritsira ntchito njira zoberekera, komanso omwe omwe ali ndi mimba sali m'gulu lapafupi.