Ukukhulelwa: amaviki amane

Sekuvele izikhathi eziningana ubuke iziqephu ekuhlolweni kokukhulelwa futhi wagibela esitolo inani elifanayo lezikhathi ukuze uqiniseke ukuthi uqinisile, le mikhawulo ibili ngempela. Futhi kusukela kulo mzuzu omuhle udinga ukuqala ukuhola impilo enempilo futhi udle ngakwesokudla.

Ukukhulelwa kungamaviki amane.

Isikhathi esifushane sokubeletha: amaviki angu-4, futhi umzimba usuvele "uveza" umama ozayo mayelana 'nesimo esithakazelisayo':
• ukungabikho kokuya esikhathini,
• isisindo esengeziwe sokuvuthwa,
• umuzwa wokugcwele,
• ukwanda kwesisindo somzimba,
• ukwanda kwesifiso,
• ukuhlanza,
• isicashu,
• ama-cramps amancane,
• isizungu,
• Ukwandisa ukuzwela kwebele,
• ikhanda.
Zonke lezi zimpawu yizibonakaliso zokuqala zokukhulelwa. Kodwa zikhona, futhi, ngaphandle kwalokho, kwabanye besifazane kukhona ukuntuleka kwalezi zimpawu. Bazizwa ngale nkathi yokukhulelwa: amaviki amane, amahle kakhulu, futhi lokhu kuvamile.

Ukuthuthukiswa kwengane yakho ngesonto lesine.

Inqubo yentuthuko eyenzeka ngesonto lesine ibaluleke kakhulu kumntanakho. Lesi yisikhathi sokuthuthukiswa okusebenzayo kwezitho ezingaphezulu kwe-embryonic - i-chorion, amnion ne-yolk sac. Ngesonto lesine leqanda lesisu liqala ukuphenduka umbungu.
I-embryo ngosuku lwesithupha - lwesikhombisa lokukhulelwa isetshenziselwa (isetshenziselwa) ku-mucosa ye-uterine. Idla izinto eziwusizo kanye ne-oksijeni yomama ozayo. Phakathi nalesi sikhathi, umbungu uthuthuka.
I-Blastocyst (ukukhuluma ngokushelela, i-vesicle lapho iqanda lesisu likhona) linamathele ngaphakathi kwesibeletho phezulu. I-membrane yamangqamuzana yesibeletho ivula iqanda lesisu. Ngesikhathi sokuqinisa i-blastocyst ku-mucosa, amangqamuzana e-placenta (trophoblast) ezayo asevele eveza i-hormone - i-chorionic gonadotropin (hCG) yomuntu. Kuyinto okuqukethwe kule hormone emcintini osiza ukuhlolwa ukucacisa ukuthi kukhona ukukhulelwa.
Ngosuku lwesishiyagalolunye emva kokukhulelwa, umbungu uguqulwa ube yisibonelo se-amniotic isambatho (i-amniotic cavity) ne-yolk sac. I-amniotic cavity ihaqwe igobolondo elincanyana elibizwa nge-amnion, eligcwele amniotic fluid.
Kusuka amangqamuzana ahlukanisa njalo emzimbeni wengane yakho esikhwameni se-yolk, ama-middle, ngaphakathi nangaphandle angamaqabunga e-embryon aqala ukwakha:
I-Endoderm (ungqimba wangaphakathi) - obhekene nokwakhiwa kwezitho zangaphakathi: amaphaphu, isibindi, isambiso, ama-pancreas, izinhlelo zokugaya ukudla nokuphefumula.
I-Mesoderm (ungqimba ophakathi) - obhekene nomgogodla, imisipha yamathambo, uhlelo lwemizimba, i-cartilage, izinso, inhliziyo, igazi, izitsha ezinkulu, izilonda zobulili, i-lymph.
I-Ectoderm (ungqimba wangaphandle) - obhekene nezipikili, izinyosi zamazinyo, izinwele, ama-lens, isikhumba, izicubu ze-epithelial zamehlo, izindlebe, impumulo. Kuzokwenza futhi isimiso sezinzwa (izinzwa, ubuchopho, ama-receipt sensitive of the nose).
Kulezi zimashi zamabriyoni ezintathu ziyi-prototypes yezingxenye zesikhathi esizayo zengane yakho.
I-chorion ehunyushwe kusuka esiGriki isho "isikhumba" - lokhu kuyisisindo, esizobizwa nge-placenta kamuva. Kuseviki lesine kanti i-placenta yakha. Ngalesi sitho, inyama yomama ixhumana nomzimba wengane. Ngesikhathi esifanayo, kwakha intambo embilical, lapho umbungu ungakwazi ukubhukuda khona e-amniotic fluid bese ujikeleza. Umthambo we-umbilical ohlanganisa umbungu kanye ne-placenta unamathele esibelethweni kusukela ohlangothini lwangaphakathi futhi uhlukanisa uhlelo lwegazi lomama nengane ukuze igazi labo lingathinti. Olunye umsebenzi wezintambo zomzimba - ngaleyo ndlela ingane ithola ukudla: umoya, amanzi nezinye izinto eziwusizo. Uthola futhi ama-antibodies okuzivikela futhi uphonsa imikhiqizo yokucubungula, ekhombisa umzimba womama. Phakathi nalesi sikhathi yi-placenta ehlinzeka ingane ngomoya kanye nezinye izinto eziwusizo. Ukwenza umsebenzi wokuzivikela - kuvimbela ukungenisa izinto ezinokwemvelo emzimbeni wegazi. Uma umama eguga ngokuzumayo, i-placenta ingavikela ingane kumagciwane.
Ekupheleni kwesonto lesine ubuso bomntwana kanye nokuqala kokuhleleka kwezinto ezihle kakhulu. Zikhona kakade izici zangaphakathi. Futhi iqiniso elithakazelisayo kunazo zonke ukuqala kokuthuthukiswa kwezixhobo zokugqoka ezinganeni ngesikhathi esifanayo.
Izitsha zisekhona kakade, futhi inhliziyo yenziwa, kodwa ayikali okwamanje.

Iseluleko esiwusizo sabomama esizayo.

Ngisho nenkathi encane yokubeletha idinga izinguquko ezinkulu endleleni yokuphila.