UtanoMushonga

Pakusangana pamusoro oocytes: zvinhu dzinongoitika uye chakagadzirwa muitiro

Pakuvamba, mazai nourume nguva dzose chete dzinongoitika nzira. Somugumisiro, kana vanhu vakachengeta immunological neremwana, mukana pakazvarwa vana vavo zvinoodza razero. Nemhaka kukura zvesainzi nhasi ane mukana chakagadzirwa insemination. Dzimwe nguva nzira iyi zvechokwadi anokosha.

Natural muchangosangana

Nzira iyi zvinowanzoshandiswa mhuka. It iri chokwadi kuti vechirume gametes vakabatana munyika zygote. Saka kubva dzisingaoneki kuramba oga kuvabereki zvinhu, uye zai uye inopa nayo, uye zvakakwana mari zvinovaka muviri ndiko zvakakwana kusvikira nguva yakadai kusikwa embryo vasiyana dumbu.

Natural muchangosangana - Maitikiro acho ari chaizvo refu runokwaniswa zvisikwa. Somugumisiro, nhasi zviri zviviri inoshanda chaizvo uye zvikuru kunzwisisa. Izvi zvinotungamirira kuti vanhu havasi kushandisa kuti vana vavo. Pakadaro, kana vanhu vasina zvokurwara pamusoro sikarudzi, kuti kungangova kukonzera kushaya pamuviri chinhu immunological kusapindirana kuti vamwe.

chakagadzirwa muchangosangana

Nemhaka yazvino uye mberi mune zvokurapa nhasi vari kare zvikuru vakarongeka nzira yokubereka mwana mashoma kujairika nzira. Chinonyanya dzakakurumbira ndiyo chakagadzirwa insemination. nzira iyi zvinosanganisira kubvisa mukadzi ovaries kubva mazai akawanda. Panguva iyoyowo, varume tora urume, akavashambidza. Zvadaro kugadzira mazai nembeu. Pashure paizvozvo, nyanzvi podsazhivayut zygote kuumbwa muviri ramai. Zvinokosha kucherechedza kuti mukana wekusangana panguva imwe chete riri 25 chete% chimwe chete mazai nourume. Ichi ndicho chikonzero chinonyanya kwaiwanzoitwa "kudyarwazve" zygotes 4 chete. Izvi zvinowedzera zvikuru mikana zvinobudirira yokubereka mwana. Zvinokosha kucherechedza kuti vakadaro mazai nembeu kazhinji kunoita kuti pave mapatya.

To musi, zvose hazvizivi insemination centre akagadzirira kupa zvizere-siyana mabasa kudyara ari dumbu zygotes. Saka kunyange vaya vabereki vanenge inonzi immunological neremwana, pane mukana mukuru kuti pamuviri uye kubereka vana vavo pamwe chete. muchangosangana kwakadaro chimwe chiri kuita kuti richengetedzwe mhuri. Panguva iyoyo, akavonga nzira iyi fertilization, vakaberekwa mazana ezviuru, kana kwete mamiriyoni evana gwindiri.

Kana vakaroorana kuti gore vanoshingaira pabonde upenyu vasingagoni pamuviri, vari zano kutsvaka rubatsiro rwavanachiremba. Kekutanga ndiwane chikonzero kusavapo wekusangana uye kana pasina umwe yakakodzera zvokusarudza, kupa kushandisa hazvizivi nzira. Sezvineiwo, nhasi zviri asisiri zvinodhura sezvo asati, uye ruripo kwerinenge ose mhuri.

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