Ububanzi ngumkhaya lonke lokukhulelwa

Wonke mfazi wamitha, beqala ukufunda ukuba baziphathe njani kakuhle, kwikamva yonke into umntwana omhle. Oku kuxhaswa ngokupheleleyo, akunamsebenzi kakubi nobukhoboka, kwaze kwandwendwelwa rhoqo kugqirha zabo. Lonke lokukhulelwa, kubalulekile ukuba iliso ngumkhaya. Yintoni na yaye kutheni kubalulekile nje?

Beendawo - candelo apho iziqhamo uyatya kwaye ephefumlayo. Ikhupha iihomoni eziyimfuneko kumsebenzi yesiqhelo kubalulekile kamama nomntwana nokhuselo uchuku ngaphakathi emzimbeni, nto leyo ethi ithintele azikhabe.

isakhiwo ngumkhaya inzima kakhulu. Ukwenziwa owaqaliswa phantse ngaxeshanye kunye kuthinjwe umbungu eludongeni zesibeleko. Inxalenye engundoqo edlalwa ngumkhaya iqulathe villi, leyo edibene omnye komnye, Ufana iingcambu zomthi esithe nkqi. Kuba ezi villi yhuu igazi usana luzelwe, yaye singqongwe ligazi likamama ngaphandle. Ngenxa yoko, kukho ezimbini kwinkqubo igazi ngumkhaya - umzali nomntwana, phakathi apho kukho exchange. Umntwana kuthatha ngaphandle ioksijini igazi sikanina kunye nezondlo, kwaye ibuyisela carbon dioxide kunye nemveliso ekufuneka iqinisekiselwe nokususwa emzimbeni.

Khusela beendawo umbungu iqala kwiiveki ezili-12. Zonke iibhaktheriya, iintsholongwane ezifumaneka egazini kamama, yaye izihluzi sele icocwe igazi kunye ioksijini ebebunikwe loo mntwana.

Ngaphandle yokhuselo, yokuphefumla, nasekondleni, beendawo usenalo ngumsebenzi hormone. Inokuvelisa 15 iihomoni, injongo eyahlukileyo. Ngokomzekelo, omnye hormone sex kuyimfuneko ukugcina ukukhulelwa.

Indima edlalwa ngumkhaya mkhulu kakhulu, ngenxa yokuba ikhula ngokukhawuleza ngaphezu umntwana ngokwakhe. Sele kwiveki ye-12 yokukhulelwa, isiqhamo ngokwalo inobunzima 4 grams, kwaye ubunzima beendawo 30 grams. Futshane ukuba ushiye ububanzi of ngeesentimitha 15-18 kwaye ngumkhaya nezinyuko 2-3 cm, kwaye inobunzima malunga 600 grams. Ukuya, yonke into ukuze ne kuphuhliso ndingekazalwa, kukho zizalathisi ezithile zidweliswe ngezantsi.

Ububanzi ngumkhaya iiveki kumanqanaba ahlukeneyo lokukhulelwa:

• Iveki 20 - 21,96 mm;
• Iveki 21 - 22, 81 mm;
• Iveki 22 - 23,66 mm;
• Iveki 23 - 24,55 mm;
• Iveki 24 - 25,37 mm;
• Iveki 25 - 26.22 mm;
• Iveki 26 - 27,07 mm;
• Iveki 27 - 27,92 mm;
• Iveki 28 - 28,78 mm;
• Iveki 29 - 29,63 mm;
• Iveki 30 - 30,48 mm;
• Iveki 31 - 31,33 mm;
• Iveki 32 - 32.18 mm;
• kwiiveki 33 - 33,04 mm;
• kwiiveki 34 - 33,89 mm;
• Iveki 35 - 34,74 mm;
• Iveki 36 - 35,59 mm;
• Iveki 37 - 34,35 mm;
• Iveki 38 - 34,07 mm;
• Iveki 39 - 33,78 mm;
• Iveki 40 - 33,50mm.

La manani zisenokwahluka kancinane. Kodwa ukuba Ebubanzini ngumkhaya uye izinxaxhi ezinkulu ngobukhulu, umfazi omithiyo kuya kufuneka bangenele unyango kakhulu.

Ngelishwa, ukuza kuthi ga ngoku, ngokufuthi kukho ukungaqheleki kuphuhliso ngumkhaya. Ezi ukuphazamiseka basandula soze kudlula, kwaye kunokukhokelela imiphumo ebuhlungu. Kungenxa yoko le nto abazali kufuneka bazi oonobangela ezimbi kwaye unyango.

Bonke oomama abakhulelweyo, nijonge phambili kokuzalwa kosana, usoloko ukubuxhalela umntwana wabo, nezinyuko ngumkhaya - yenye izalathi si zokunikwa normal ukukhulelwa.

Amaxesha amaninzi abafazi olufunyanwa indawo "ngumkhaya hypoplasia", elidume ubizwa ngokuba 'beendawo obhityileyo. " Izinto ezibangela le sifo kuba neengxaki yemfuza. Mayisoloko ikhunjulwa into yokuba esi umbungu kuchaphazela ukuhla ngamandla kuphela ubungakanani yabantwana ndawo. Kwakhona, ngumkhaya ibe ncinane ngexesha lokukhulelwa - ezininzi izinto ezichaseneyo inokuba negalelo layo kwesikhumba kunye ekukhuleni. Oku kwenzeka ngenxa yezifo koomama ezahlukeneyo. Umahluko phakathi iziphazamiso zemvelo kunye neenguqu ezenzekileyo ngenxa yesifo, kukuba Ebubanzini kuncitshiswa ngumkhaya, ezivele ngenxa yokugula kumthwalo (baphathwe), kodwa ukungaqheleki genetic ayikwazi singaliqikelela.

Hyperplasia, oko kukuthi, ukwanda ubungakanani ngumkhaya, yenzeka kwimeko kwezifo ezosulelayo, isifo seswekile, igazi, kunye RH-ungquzulwano. hyperplasia uphathe kunokwenzeka kuphela emva kokusekwa izizathu ezichanekileyo ukwenzeka kwayo. Isiphumo uya kwandisa insufficiency yayo ngumkhaya, nto leyo enokukhokelela yokubambezela uphuhliso olungekazalwa (nokuzalwa amaxesha yokuya).

Kwakhona kubungakanani ngumkhaya kuchaphazela nangobungakanani bayo yabafazi. Umzekelo, abasetyhini kunye nokwanda encinane ubunzima kunye nobungakanani isihlalo umntwana kuba ngaphantsi kakhulu besini fair kunye neefom Rubens.

Ngaloo ndlela, sinokugqiba ukuba kuyimfuneko ukuba iliso uphuhliso ndingekazalwa nje kuphela, kodwa kwabo, yintoni na ububanzi ngumkhaya, izinga okhankanywe ngasentla.