Lokacin da Firayim Firayi na Yara, Lokacin da Ya Rage, da Yanayin Tsohon Yara
Hanyar namiji ya canza tare da shekaru. Kuna iya ɗauka cewa shekarun haihuwa ne kawai a cikin mace mace . Yayin da canjin yanayin haihuwa ya fi karfi a cikin mata, maza suna da alamun halitta, ma.
Yaya Yayi Kirar Kirar Kira Ta Yaya kuma Ya Kashe?
Ɗaya daga cikin binciken binciken da aka gudanar a Jami'ar Soroka a Isra'ila ta dubi nauyin haɓakaccen namiji a mazajen al'ada kuma idan aka kwatanta da yawancin maniyyi ga maza.
Nazarin ya dubi komai duk abin da sukayi amfani da shi zai iya, yayinda sau da yawa suna yin jima'i. Wannan yana da mahimmanci a yi la'akari saboda abstinence na jima'i na iya rage ma'auni. Jima'i na jima'i ya haifar da kwayar halitta mai koshin lafiya.
Masu bincike sun gano cewa mahallin mahaifa ya haɗu tsakanin shekarun 30 zuwa 35. (Shin hakan zai kasance hanyar hanyar tabbatar da cewa ma'auratan sunyi tunanin kafin haihuwa kafin haihuwa kafin farawa a shekaru 35)? ya kasance mafi ƙasƙanci bayan shekara 55.
Manya Tsohon Mutumin, Mai Cincin Wuta
Wannan binciken kuma ya gano cewa motsa jiki motsawa ya canza tare da shekaru. Mutuwar motsa jiki shi ne yadda yaduwar ruwa yake.
Sullam motility ya fi kyau kafin shekaru 25 da kuma mafi ƙasƙanci bayan shekaru 55. A gaskiya, idan aka kwatanta yawan 'yan wasa mai kyau na "iyo" a cikin maza tsakanin shekarun 30 zuwa 35 tare da maza fiye da shekaru 55, ragowar motsa jiki ya ragu da kashi 54.
Wadannan karfi masu bambanci ba za a iya zarge su ba a kan haɓakaccen jima'i, wanda aka binne a cikin binciken.
Ƙara Rashin ƙwayar Matsala na Kwayoyin Halitta a Dattawa
Bayan ingancin maniyyi mai mahimmanci, shekarun yana rinjayar nau'in kwayar cutar namiji.
A cikin binciken da aka gudanar a Laboratory National Laboratory (Lawrence Livermore National Laboratory (LLNL) da Jami'ar California a Berkeley, masu bincike sun gano cewa cututtukan kwayoyin halitta a cikin mahaifa sun karu da shekaru a cikin maza.
Wadannan lahani na kwayoyin halitta na iya haifar da:
- rage yawan haihuwa
- ƙara yawan damar yin kuskure
- ƙarin haɗarin har yanzu haihuwa
- ƙãra haɗarin wasu lahani na haihuwa
Masana kimiyya sun bayar da rahoton cewa, tsofaffi ba wai kawai a cikin hadarin rashin haihuwa ba. Su ma sun fi yiwuwa su magance matsalolin kwayoyin ga 'ya'yansu.
Haɗuwa da shekaru mata da shekaru maza na iya ƙara haɓaka hadarin haihuwa. Yi la'akari da haɗarin Down syndrome. A cikin mata, hadarin samun yarinya tare da Down syndrome ya karu da shekaru.
A cikin nazarin fiye da yara 3,000, masu bincike sun gano cewa lokacin da mace ta kai shekaru 35 ko tsufa, shekarun mutum ya fi ƙarfin.
Wannan gaskiya ne idan mace ta kasance shekaru 40 ko tsufa. A cikin wannan rukuni, kashi 50 cikin 100 na yara tare da Down syndrome sun karbi wannan cuta ta hanyar kare juna a kan iyayensu.
Down syndrome ba shine kawai hadarin da ya ƙaru da shekaru masu juna biyu.
Dattawan tsofaffi suna iya samun yara tare da:
- autism
- cuta mai laushi
- schizophrenia
- achondroplasia, wani irin dwarfism
yara sankarar bargo
Ka yi la'akari da Mutum da Mata
Yana daukan biyu don yin jariri. Duk da yake za mu iya mayar da hankali ga shekarun mutumin da kuma shekarun mata, yana da mahimmanci a kan yadda za su hada.
Binciken da ake yi game da 'yan mata 782 sun binciko abin da rashin fahimtar juna ke kasancewa akan shekarun haihuwa ko kuma sun yi jima'i a kan kwanakin da suka fi dacewa (kafin yaduwa).
Sun sami cikakken karuwar yawan haihuwa bisa ga shekarun mata.
Ga mata masu shekaru 19 zuwa 26, suna da damar kashi 50 cikin dari na yin ciki a ranar da suke da kyau. Mata masu shekaru 35 zuwa 39 suna da kashi 29 cikin 100 kawai.
Duk da haka, abin da ke da ban sha'awa a nan shi ne tasirin dan shekaru. Ga mata masu shekaru 35 zuwa 39, idan namiji yana da shekaru biyar ko fiye da mace, rashin nasarar da suka samu cikin ciki ya kai kashi 15 cikin 100. Da kuskure sosai da yawa aka yanke a cikin rabin.
Matashi na Age da IVF Success
Menene game da rawar da maza da shekaru IVF ke samu ? Tambaya na farko sun nuna cewa za a iya haifar da yawan nasarar da ake samu na IVF a lokacin da shekarun ya kai.
Duk da haka, ci gaba da bincike ya gano cewa yin amfani da fasahar ICSI zai iya rinjayar duk wani rashin amfani da ya shafi shekaru.
Ɗaya daga cikin nazarin yayi nazari kan yadda ya wuce 2,500 IVF wanda yayi amfani da ICSI. ICSI yana tsaye ne don ingancin kwayoyin halitta na intracytoplasmic. ICSI ya hada da inject da kwayar halitta a cikin kwai. Masu bincike sun gano cewa namiji ya rage yawan adadin embryos, amma bai cutar da tarin ciki ba, ko ƙara haɗarin haihuwa ko hasara ciki.
Wani binciken-wannan yana kallon kimanin kimanin 4,800 hawan keke-kallo ta yin amfani da ƙwaiyayyaki a cikin juyin IVF-ICSI. A cikin wannan binciken, dukkanin kayan da suka ba da kyauta sun fito ne daga mata masu shekaru 36 ko matasa.
Masu bincike sun gano cewa kwayar lambobi, ƙaddara, da kuma motility (motsi) ya rage tare da shekaru. Amma, lokacin da ya kai ga ainihin maƙasudin-ciki da haihuwa-lambobin sun yi kyau. Babbar shekaru na tsofaffi ba su ji rauni ba.
Yana da mahimmanci mu tuna cewa waɗannan sakamako ba za a iya kasancewa cikakke ga waɗanda basu amfani da IVF ba, ko ma waɗanda basu amfani da IVF tare da ICSI ba. Tare da ICSI, burin baya buƙatar yin iyo sosai ko shiga cikin kwai a kan su. Ana buƙatar duka biyu tare da tunani na halitta da IVF ba tare da ICSI ba.
Ƙarin Rashin Ƙarƙashin Ƙarƙwarar haihuwa da Age
Yawan mutum yana da matsala. Mai yiwuwa maza ba su da cikakkiyar digiri a cikin haihuwa kamar mata. Amma "tsofaffin shekarun haihuwa" wani abu ne ma'aurata ya kamata su sani.
Dukkan maza da mata dole ne suyi jayayya da rayayyun halittu.
Sources:
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Dunson DB, Colombo B, Baird DD. "Canje-canje tare da shekaru a cikin matakin da tsawon lokaci na haihuwa a cikin tsarin hawan." Hum Refrod. 2002 Mayu, 17 (5): 1399-403.
Fisch H1, Hyun G, Golden R, Hensle TW, Olsson CA, Libros GL. "Rashin rinjayar shekaru na tsofaffi a kan ciwon ciwo. "J Urol. 2003 Yuni; 169 (6): 2275-8.
Lawson G1, Fletcher R2. "Yayinda aka dakatar da mahaifinsa. "J Fam Plann Rike lafiyar lafiyar. 2014 Oktoba; 40 (4): 283-8. Doi: 10.1136 / jfprhc-2013-100866. Afrilu 2014 Yuni 23.
> Wu Y1,2,3, Kang X1, Zheng H1, Liu H1, Huang Q1, Liu J1. "Hanyoyin Tsaro na Iyaye Kan Matakan Harkokin Harkokin Harkokin Harkokin Intanit. "PLoS Daya. 2016 Feb 22, 11 (2): e0149867. Doi: 10.1371 / journal.pone.0149867. eCollection 2016.