Gwaninta na qwai

Ruwan ƙwayoyi na qwai ne mai dabara wanda ke taimakawa wajen adana wani kwayan halitta na dogon lokaci, wanda a kowane lokaci za'a iya amfani dashi na IVF. Ana yin gishiri da ƙwai a cikin hanyar da kwayar cutar kwayar halitta ba ta canzawa a lokacin ajiya na dogon lokaci. Ana samun wannan ta hanyar amfani da abin da ake kira cryoprotectants, wanda zai rage rage tasirin ƙananan zafin jiki akan organelles na kwayar cutar. A sakamakon irin wannan sanyi, an cire kullun lu'ulu'u. Bari muyi la'akari da wannan tsari cikin ƙarin bayani.

Tarihin gingwaminar

Ya kamata a lura cewa yin amfani da wannan hanya a wasu lokuta ya karu da yawan adadin ƙwayoyin da suka tsira lokacin da aka kare su. Bugu da kari, kimanin kashi 90 cikin 100 na dukkan kwayoyin kwayoyin suna da kyakkyawan sifofin jiki, wanda zai sa ya yiwu a yi amfani dasu a cikin IVF.

Kafin juya zuwa ainihin dabarun, dole ne a yi magana game da tarihin gano wannan hanyar kare jinsin jima'i na jikin mace.

Wannan fasaha na daskarewar gishiri ya bayyana a kwanan nan ba da daɗewa ba, lokacin da duniya ta fuskanci canji na millennia - a shekarar 2000. Marubucin na dabara shi ne masanin Jafananci Masashige Kuvayama. Tun lokacin da aka fara yin amfani da wannan hanya na kare rayayyun halittu, an aiwatar da tsarin gyaran gyare-gyare a kalla rabin sau miliyan a fiye da kamfanoni daban daban 1000 da ke warwatse a duniya. Yara na farko saboda sakamakon haɗin da aka tabbatar da jaririn jima'i mace an haifi shi a 2002 a Japan. An yi amfani da kwarewar abokan aiki na kasar Japan a shekara guda (2003).

A halin yanzu, hanyar ta samo wasu sababbin abubuwa, kuma an inganta ta sosai. Mun gode wa mafita na yau da kullum, ana iya adana kwanan don shekaru fiye da 100.

Ta yaya qwai suke daskarewa kuma an adana su?

Hanyar daskarewa da kwayar halitta ta riga ta wuce gaba ɗaya daga dukkanin nazarin binciken da aka tsara don kafa ƙwarƙashin qwai na mai baiwa mace. Bayan haka, sun fara tsarin maganin hormone, motsa jiki, abin da ake kira superovulation - tsari wanda yawancin jinsin jima'i sukan shiga cikin rami na ciki. A wannan lokaci, saka idanu tare da taimakon kayan aiki na duban dan tayi na da ƙwayar da aka ƙware.

Zaɓin jinsin jima'i mafi dacewa don hanya, likita yana yin fashewa, inda tarin ƙwai. Ana sanya kayan tattarawa a cikin wani bayani na musamman. Bayan haka, ci gaba da hanya sosai na bitrification.

Wannan hanya tana ɗaukar yin amfani da nitrogen azaman mai wakilci don daskarewa, yawan zafin jiki shine kimanin digiri ɗari. Yana cikin matashi tare da shi cewa an tattara albarkatu.

Mene ne amfanin wannan fasaha kuma a yaushe za a iya aiwatar da shi?

Kamar yadda aka sani, a cikin dukan mata, kimanin shekaru 35-40, an rage yawan aikin haihuwa. Ta haka ne, jima'i jima'i ya rasa nauyin aiki, aikin su ya zama mafi muni. Abin da ya sa matan a wannan zamani suna fara fuskantar matsaloli tare da zane. A cewar kididdiga, kimanin shekaru 35, matan ba su da kashi 10 cikin 100 na adadin oocytes da suka kasance cikin jiki tun lokacin haihuwa. Bugu da kari, ingancin kwayoyin kwayar cutar suna ɓarna.

Abin da ya sa tarin qwai, da fitowar su da ajiya a cryobank wani zaɓi ne mai kyau ga matan da, saboda wasu dalilai, ba za su iya samun jariri ba a wannan lokacin (cututtuka na tsarin haihuwa, tsarin tafiyar da muhalli, da sauransu).

Idan muka yi magana game da shekaru nawa yaron zai daskare, likitoci sun ce wannan hanya za a iya aiwatar har zuwa shekaru 41. Duk da haka, ya kamata a tuna cewa da shekaru, adadin qwai da aka dace don shayarwa yana ragewa.