Hadarwa shine tsari ne wanda ke faruwa a jikin mace a karkashin sharadi mai kyau. Yana faruwa, a matsayin mai mulkin, bayan yin jima'i ko sakamakon sakamakon kwari.
Ta yaya haɗuwa da kwai ya faru a cikin vivo?
Hanyar ganewa ta hanyar halitta tana faruwa a wurare da dama:
- Sashen gwaji. A cikin jikin mata masu tsufa, ƙwayoyin da ba a rushe ba a cikin jigon kwalliya (gwargwadon gishiri da aka cika da ruwa) sunadara cikin daya daga cikin ovaries kowane wata. Lokacin da aka kammala lokacin da aka kammala, an cire rukuni, kuma balagar balaga ta fita. Wannan tsari ana kiransa ovulation, kuma yawancin yakan faru ne a tsakiyar yanayin hawan. Ovulation abu ne da ake buƙata don haɗuwa da ci gaban ƙwayar fetal.
- Bayan da qwai ya bar ramin da aka ruptured, sai ya juya ya zama glandon mugun ciki wanda ake kira rawaya. Manufar jikin rawaya shine samar da hormones na estrogen da progesterone. Ana buƙatar wannan ƙaddamar da ƙwayar mucous na cikin mahaifa, don haka yana shirya endometrium zuwa embryo embryo. Dukkan ayyukan da aka bayyana sun shafi yadda tsarin hadi ya faru kuma ko zai faru a kowane lokaci.
- Yawan da aka saki ya shiga cikin rami na ciki, inda yarinya ya kama shi. A cikin bututun fallopian, an samo shi har sai daya daga cikin namiji na spermatozoa ya shiga ciki. A wannan yanayin, haɗuwa da ƙwayar kwanciya tare da tsakiya na spermatozoon yana faruwa da hadi yana faruwa. Wannan lokacin yana ba da cikakkiyar kwatanci game da yadda ake hawan kwai ya faru. A wannan mataki na haɗuwa cewa bayanin jinsin game da yaro mai zuwa ya kasance: jima'i, gashi da launi ido, siffar hanci, da dai sauransu.
- Lokacin yaduwa na ovum shine kimanin rana daya bayan jima'i. A wannan lokacin, dukkanin matakan da aka bayyana akan lokaci sun wuce, kuma dangane da yanayin, ana aiwatar da ra'ayi ko a'a. Idan hadi ba ya faruwa a cikin jiki mai launin rawaya da ƙananan ƙwayar, yanda aka ƙi da kuma nuna shi azaman zubar jini.
Cikakken artificial ovum
Yadda yaduwar cutar kwakwalwa ta dogara ne akan hanyar haihuwa. A wannan lokacin akwai shirye-shirye mafi inganci guda biyu:
- shirin IVF;
- Hanyar ICSI.
Game da yadda haɗin IVF ya faru, zamu iya cewa: a cikin dakin gwaje-gwaje, ana shuka maniyyi a mace. Bugu da ari, tsarin yana daidai da yanayin yanayi - daga yawancin namiji wanda ya shiga cikin kwai kuma, idan bayan lokacin da rabuwa ta fara, lokacin haɗin yarin ya yi nasara.
Tare da hanyar ICSI, an yi amfani da sperm mai karfi mai karfi a cikin kwai ta kayan aiki na musamman. Tare da wannan hanya, za'a yiwu a bi gaba da hanyar da hadi ya faru.
Matakan da ke faruwa bayan hadi zai iya raba zuwa matakan da yawa:
- Sashe na kwai kwai. A cikin rana bayan hadi, kwan ya rarraba a cikin sel. Kasancewa a cikin bututun falsafan na kimanin kwana uku, yana motsawa ta motsa jiki tare da tarkon fallopian, inda aka haɗe shi zuwa jikin mucous membrane na mahaifa.
- Sakamakon jabu na embryonic shine blastocyst. Da farko, kwai ya hadu a cikin tarin kwayoyin halitta, a hankali yana motsawa a cikin rami na sel. Lokacin da blastocyst ya bar kwasfa mai kwalliya, mataki na uku - mataki na karshe - zai fara.
- Ƙaddamarwa da kuma samfurin embryo. Lokacin da blastocyst yayi kusa da ƙarsometrium, an haɗa shi da mucosa. Bugu da ari, a cikin 'yan makonni na yawan kwayoyin blastocyst, kwayoyin jijiya na yaron sun kafa. In ba haka ba
Magana, ana kafa embryo, wanda bayan makonni takwas na ciki yana da cikakkiyar dama da ake kira tayin.
Kamar yadda yake a yanayin yanayi, kuma a cikin hanyoyin haifuwa, tsarin kwayar halitta ba koyaushe ta ƙare ba. Doctors, kuma, ba a cikin kowane yanayi ba zasu iya amsa tambayar dalilin da yasa haɗin ba ya faruwa. Dalilin da ya sa suna da yawa kuma sun kasance daban a cikin kowane hali. A cikin wannan labarin, mun bayyana ma'anar yadda aka hadu da kwai, kuma yayi ƙoƙarin amsa tambayoyin, tsawon lokaci da tsawon lokacin da hadi ya faru, ba tare da fara bayyana dalilan da ya sa aka yi ƙoƙari ba wajen haɗuwa.