Kachilombo ka amuna

Timagwiritsidwa ntchito podziwa kuti njira yokhayo yothandizira anthu ndi kondomu . Ndipotu, pali makampani onse ogulitsa mankhwala okhudzana ndi kulera, komanso asayansi akugwira ntchito mwakhama kuti athetse vuto la chitetezo kuchokera kwa abambo aakazi kwa amuna.

Popanda njira zowonongeka

Ntchito yosokonezeka ndichitali chokhazikika ndi njira zosavomerezeka kwambiri za abambo, nthawi yomweyo, safuna njira iliyonse yosavomerezeka. Ziwerengero zimasonyeza kuti ntchito iliyonse yachitatu yogonana ndi kugwiritsa ntchito njirazi ndi owopsa, ndiko kuti, kumabweretsa pathupi. Chifukwa chake ndikuti umuna umamasulidwa osati pokhapokha panthawi yovuta, komanso pachiyambi cha kugonana ndi mafuta. Kuonjezera apo, onse okondedwa, pogwiritsira ntchito njira imeneyi, amayamba kuvutika ndi zovuta zogonana, ndipo amuna amakumana ndi mavuto.

Zakale za mtunduwo

Mimba yotchuka kwambiri ya abambo ndi kondomu. Kufikira m'zaka za zana la 16, lero ndipangidwa ndi nsonga yabwino kwambiri komanso yamphamvu kwambiri, koma nthawi zina, misozi, imalira pa nthawi yosafunika kwambiri, kupatulapo, theka la umunthu lokhazikika liyenera kukhala lodziwika bwino pa malamulo okhudzana ndi kugwiritsa ntchito njira zoberekera kwa abambo.

Opaleshoni

Vasectomy ndi njira yothandizira opaleshoni yomwe imachitidwa pofuna kuteteza umuna kuti usatuluke . Kudulidwa kumapangidwa pa vas deferens, ndipo patatha mwezi umodzi munthuyo amakhala wosabereka kwa moyo wake wonse. Mankhwala amasiku ano athandizanso kuti vasectomy isinthidwe, chifukwa chakuti, munthu angakhalenso bambo, atachita opaleshoni kuti awononge mitsempha yodulidwa kale.

Mapiritsi a Hormonal

Inde, ziribe kanthu momwe zingamveke zopanda pake, mankhwala am'thupi asasiya kukhala aakazi okha. Mimba ya mahomoni yamphongo imayambira pa kukhazikitsa mahomoni awiri kwa amuna - aestrogen ndi a testosterone aamuna. Estrogens amaletsa kusasitsa kwa spermatozoa, ndipo nthawi yowonongeka ya testosterone salola kuti estrogen ipewe kugonana kwa amuna.

Kuphatikizidwa pamodzi - komwe kunapangidwa ku Melbourne, kuli mahomoni awiri omwe tatchulidwa pamwambapa omwe amalowa m'magazi a amuna mosiyana kwa miyezi 3 mpaka 4. Chochitacho chimatenga chaka, kenako ntchito yogonana imabwezeretsedwa.

Mu kulera kwa amuna, pali mapiritsi a hormone. Iwo anapangidwa ku Edinburgh. Amuna amatenga tizilombo ting'onoting'ono ta deogestrel - progesterone wa m'badwo wachitatu, ndipo miyezi itatu iliyonse iwo amaikidwa ndi ma capsules a testosterone.