Utshintsho lwebele ngexesha lokukhulelwa: Iveki ngeveki

Amagama Aphezulu Ebantwaneni

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Ukukhulelwa kunokuguqula ngokupheleleyo umfazi, ngeendlela ezininzi kunenye. Ukuguquguquka kwehormonal emzimbeni kunokubanjelwa uxanduva lotshintsho lomzimba kunye neemvakalelo ezifunyanwa ngumama. Umzimba webhinqa uguqulwa ngokuphawulekayo ngexesha lokukhulelwa. Olu tshintsho lomzimba lwenzeka ngalo lonke ixesha lokukhulelwa-ukusuka ekukhulelweni ukuya kwixesha lokuhanjiswa. Umzimba womfazi uya kwimowudi yokulungiselela kanye ngexesha lokukhulelwa komntwana, kwaye uqhubeka uhlengahlengisa ngokufanelekileyo.

Utshintsho lweemvakalelo, ezinje ngokutshintsha kwemozulu kunye noxinzelelo, kunokuba nzima kumama, ngakumbi kumama wokuqala. Utshintsho lomzimba lufuna uhlengahlengiso olukhulu kunina. Ngelixa olona tshintsho lubonakalayo kuye nawuphina umntu obhinqileyo ophethe umntwana kukufumana ubunzima ngokuthe ngcembe, kukwakho nokwandiswa kwezinqe ngokufumba kwamafutha esinqeni, emathangeni nasezimpundu.

Olunye utshintsho olubonakalayo emzimbeni kumfazi lwenzeka emabeleni akhe. Kunye nokukhula ngokobungakanani, ukumila kunye nokuxinana kwamabele nawo atshintsha ngokunjalo.

Ngelixa olona tshintsho lubalulekileyo emabeleni kukwanda kobungakanani njengoko amabele exhobisa ukondla usana olusandul 'ukuzalwa, zininzi izinto ezenzekayo ngamabele azisa utshintsho. Olu tshintsho alwenzeki ngobusuku kwaye lwenzeka ngokuthe ngcembe, lusasazeke kuzo zonke iinyanga ezisithoba zexesha lokumitha, kunye notshintsho luyaqhubeka akuba ezelwe umntwana.

Ngexesha lokukhulelwa, amabele enza utshintsho kwinqanaba elikhawulezayo, utshintsho olunokubangelwa kumanqanaba aphakanyisiweyo amahomoni athile- iprogesterone, i-estrogen kunye neprolactin ^[1] - emzimbeni. Ukongeza kwinqanaba lamahomoni elonyukayo, umzimba ukwalungiselela into ebambekayo ukulungiselela umntwana okhulayo esibelekweni.

Utshintsho lwebele ngexesha lokukhulelwa

Ngexesha lokukhulelwa, umzimba womfazi uhlangabezana neenguqu ezininzi ezinokuthi zibhekiswe njengehomoni, imetabolism kunye ne-immunologic. ^[Mbini] Ngelixa utshintsho lukhona kokubini ngaphandle nangaphakathi, olona tshintsho lubalaseleyo lwexesha lokukhulelwa zezi zilandelayo:

1. Ukudinwa, olona tshintsho lubalaseleyo kuzo zonke, kubangelwa kukunyuka kwamazinga e-estrogen kunye neprogesterone.

2. Ubunzima, buhlala bubonakala kwiveki yesi-6 yokukhulelwa.

3. Ukunyusa ivolumu, uphononongo lubonisa ukuba nangona kungekho kumitha kubini ukukhulelwa kufana ncam kuzo zonke izinto, umthamo webele unyuke malunga nama-96 ml [3] ngokomndilili.

4. Ukungabonakali, ukwanda kokuhanjiswa kwegazi kwimithambo kwenza ukuba imithambo ibonakale imnyama, inike umbono webele uguquke ubonakale.

5. Iingono nee areola ziba nkulu [4] kwaye zitshintshe nemilo ngokunjalo.

6. Iingono kunye neeasola zimnyama ngombala.

7. Ukuziva ulusu emabeleni.

8. Amaqhuma kunye namaqhuma, ngesiqhelo amaqhakuva okanye izicwili zomzimba.

9. Ukuvuza, icolostrum iqala ukuphuma phakathi kweveki ye-16

10 ..

11. Iityhubhu zeMontgomery, izakhiwo ezinjengeebhokhwe ezijikeleze ingono ezithi zikhuphe i-sebum ukugcina ulusu lusulelekile.

12. Olona tshintsho luphambili lubonwa ekupheleni kwexesha lokumitha, iintlungu, zibangelwa xa amabele ezele lubisi ngenxa yosana.

13. Ukutswina kwamabele kuhlala kubonakala kwinqanaba lokugqibela lokukhulelwa, kunye nokuwohloka kuyaqhubeka nasemva kokuzalwa komntwana.

14. Amanqaku okolulwa abangelwa njengoko isifuba sonyuka kakhulu ngokobukhulu.

Ngelixa oku kuchazwe apha ngasentla lutshintsho lwebele olubonakala kumanqanaba ahlukeneyo okukhulelwa, masihlalutye utshintsho njengoko lubonakala.

Ufunde kwakhona: Imibuzo emi-5 yokuBuza ekuQeshweni kwakho kokuqala kwe-OB

IVeki NgeVeki yoVavanyo loTshintsho kwiBele

Izifundo zenziwe ukuqinisekisa ukuba ukwanda kobungakanani bamabele kunye nokuguquguquka kwe-asymmetry (FA) phakathi kwamabele amabini kunye nolunye utshintsho lwe-mammary ngandlela thile luhambelana nesini somntwana esibelekweni. Emva kohlalutyo lwezifundo ezenziweyo, kuye kwabonwa ukuba abasetyhini abanika ingxelo ngokwanda okukhulu kubungakanani babo bebele ngexesha lokumitha kunokwenzeka ukuba baphathe imveku eyindoda. ^[5] .

Nangona kunjalo, utshintsho olwenzeka ebeleni ngexesha lokukhulelwa lwenzeka ngokuthe chu kunye nangokucwangcisiweyo.

Iveki 1 ukuya kwiveki 4

Kwisibeleko, nantsi inqanaba leqanda kunye neqanda. Utshintsho lokuqala emabeleni kukukhula kwemiphunga ye-alveolar kunye nemibhobho yobisi. Oku kukhula kuphezulu kwiveki yesibini xa iqanda lidityaniswa. Iveki yesithathu ibalulekile njengokuthantamisa, okujongwa njengenye yeempawu zokuqala zokukhulelwa, kuyaqapheleka kumfazi okhulelweyo. Ubuntununtunu obujikeleze iingono bunokuvezwa kwiveki yesine. Olu luvo lubangelwa kukwanda kokubonelela ngegazi emabeleni.

Eli xesha lixa ukuveliswa ngokukhawuleza kweeseli ezivelisa ubisi kwenzeka, kukhokelela ekurhwebesheni okanye ukurhawuzelela amabele.

Iveki yesi-5 ukuya kwiveki yesi-8

Inani lotshintsho lwenzeka emabeleni phakathi kweeveki ezi-5 ukuya kwezi-8 zokukhulelwa. IiHormone ekubhekiswa kuzo njengee-lactogens zeplastikhi ziqala ukunxibelelana namabele. Utshintsho olukhulu lwenzeka kubume beeseli zamabele ukuze zixhotyiswe ukuze zikwazi ukuphatha ubisi kamva. Eli lixesha apho phantse bonke abantu basetyhini bexela imvakalelo yokugcwala emabeleni abo ehamba nobunzima obuphawuliweyo njengoko imibhobho yobisi iqala ukudumba.

Ii-areola okanye indawo ezinemibala ezijikeleze ingono nganye, ziqala ukujika zibe mnyama kakhulu ngeli xesha. Oku kuba mnyama kukwenza ukuba usana olusandul 'ukuzalwa lukwazi ukulifumana ibele ngokulula. Kwakhona, iingono ziqala ukuphuma ngaphandle. Lonke olu tshintsho luchaziwe kwiveki yesihlanu neyesithandathu. Kule veki yesixhenxe ibele lonyusa ubunzima ukuya kuthi ga kwi-650 gram kwicala ngalinye.

Iveki ezisibhozo ibalulekile ekubonakaleni kweMontgomery tubercles kunye 'marbling'. Iityhubhu zaseMontgomery, ezisukela phakathi kwezimbalwa ukuya kwezingama-28 ngenani, zinamaqhakuva afana neebhokhwe ezandisiweyo ezibonakala kwiisola, zikhupha ukukhutshwa okunamafutha ukugcina iingono zifumile kwaye zikhuselekile kwizifo. IMarbling kukukhula kwemithambo engezantsi komphezulu webele.

Iveki yesi-9 ukuya kwiveki ye-12

Utshintsho oluphambili ngeli xesha kukuba mnyama kunye nokwanda kobungakanani be-areola. Eli ikwalixesha lokuba ukukhula kwesola yasesekondari kwaye kubonwe njengezicwecwe ezinemibala eqaqambileyo ejikeleze i-areola emnyama, ihlala ingabonakali phakathi kwabasetyhini abanombala okhanyayo. Njengakwiveki ye-10, ukukhula okukhulu ebeleni kuyenziwa, eli lelona xesha lilungileyo lokuba umfazi afumane ibra entsha. Ukuguqulwa kwengono kuhlala kubonakala kwiveki yeshumi elinesibini yokukhulelwa. Nangona kubonwa rhoqo koomama bokuqala, inversion inversion iyalungiswa yodwa njengoko ukukhulelwa kuqhubeka.

Iveki ye-13 ukuya kwiveki ye-16

Iiveki ze-13 neye-14 zibalulekile kulonyuko olukhulu lokuhamba kwegazi. Ii-areola ziqala ukubonakala zinamachokoza ngakumbi kunangaphambili. Kwiveki ye-16, ukuthamba kwebele ngokubanzi kuyahamba. Eli ikwalixesha apho incindi encangathi ikhutshwa emabeleni. Ebhekiswa njengecolostrum, ilayishwe ngezakhamzimba eziyimfuneko kunye namandla okwakha ukumelana nosana olusandul 'ukuzalwa. Ngamanye amaxesha, amathontsi egazi anokubonakala ngathi aphuma kwingono. Ngelixa kuyinto eqhelekileyo, kunokuboniswana nodokotela ukuba kukho imfuneko yokuvavanywa.

Iveki ye-16 ukuya kwiveki yama-20

Eli lixesha apho amaqhuma angenakuphepheka kunye namanqaku okwelula enza ukubonakala. Njengamafutha aqokelelwa emabeleni malunga neveki ye-18 yokukhulelwa, amaqhuma - i-fibroadenomas, i-galactoceles, ii-cysts-ziyavela emabeleni. Ezi zivumba zihlala zingenawo umhlaza kwaye akukho nto inokukhathazeka kuyo.

Njengokuba ulusu loluleka ngokungeyomfuneko ngenxa yokwanda kwamabele, amanqaku owolulayo ayabonakala emabeleni, ngakumbi emazantsi.

Iveki yama-21 ukuya kwiveki yama-24

Amabele abukhulu bawo ngeli xesha. Njengamafutha aqokelelayo abangela ukubila kakhulu, iibrasi ezinxitywe ngeli xesha kufanelekile ukuba zenziwe ngomqhaphu. Ukuze ukuhamba kwegazi kungathintelwanga, ii-bras ze-underwire azicetyiswa ukuba zinxitywe ngeli xesha.

Iveki yama-25 ukuya kwiveki yama-28

Ngeli xesha, ngeveki yama-26, amabele agcwele kwaye abonakala ngathi ahlelele abanye abantu basetyhini. Nangona kungenjalo kuye wonke umntu okhulelweyo, kuninzi lwabasetyhini i-colostrum ihlala ifihliwe. Kwiveki ye-27, amabele sele elungele ukuveliswa kobisi. Ihommone progesterone ibamba imveliso yobisi kude kube lixesha lokuzalwa komntwana. Iveki yama-28 yokukhulelwa izisa ezinye iinguqulelo ezinje-njengokujikeleza kwegazi kuyanda, indawo ejikeleze iingono iba mnyama, imibhobho yobisi iqala ukuthoba kwaye imithambo yegazi engezantsi kwesikhumba ibonakala ngakumbi kwiliso lenyama.

Iveki yama-29 ukuya kwiveki yama-32

Olona tshintsho lubalaseleyo emabeleni malunga neveki ye-30 kukubonakala kokukhawuleza ukubila. Oku kwenzeka ngenxa yokwanda kwemithambo yegazi kunye ne-mucous membrane ngenxa yokunyuka kokuhamba kwegazi ukuya emabeleni. Irhashalala akufuneki ityeshelwe kwaye inyangwe ngokufanelekileyo ukuthintela umngcipheko wosulelo olongezelelekileyo. Ukusetyenziswa kwesepha emabeleni kufanele kuthintelwe ukusukela kwiveki yama-32 yokukhulelwa kuba amaqhuma afana namaqhakuva ajikeleze iingono sele evelisa ngokwaneleyo i-sebum enokhilimu ukugcina ulusu lufumile. Ithuba eliphakathi kweeveki ezingama-29 ukuya kuma-32 kuxa amanqanaba okwelula aqala ukubonakala.

Iveki yama-33 ukuya kwiveki yama-36

Ngoku, phantse kubo bonke abantu basetyhini, isixa esithile se-colostrum sikwaqala ukufihla kwiingono. Iingono zibalasele ngakumbi kunangaphambili. Iveki yama-36 lelona xesha lilungileyo lokuthenga ibravu yokonga, ukhumbula ukuba amabele aya kuba egcwele xa imveliso yobisi iqala kwaye ngokuthe ngcembe ibuyela esiqhelweni.

Iveki yama-37 ukuya kwiveki yama-40

Kwinqanaba lokugqibela lokukhulelwa- oko kukuthi, phakathi kweeveki ezingama-37 ukuya kwezingama-40 - umbala wecolostrum utshintsha umbala ukusuka kulwelo olutyheli luye kulwelo olunombala nolumhlophe. Amabele akhule ngokupheleleyo ukuba angancancisa umntwana. Ukunyanzelwa kwamabele ngesandla kukhokelela kukhuseleko lwe-oxytocin, ihomoni ebangela ukucutha.

Ngelixa ukwenziwa kwamaqhuma emabeleni kuyinto exhaphakileyo ngexesha lokukhulelwa kwaye uninzi lwamaqhuma alunobungozi, kusekho ithuba lokuba loo maqhuma abe ngumhlaza. Nangona kunqabile (malunga 1 ukuya ku-3,000) ^[6] , kukho amathuba okhulelweyo okhulisa umhlaza webele onxulumene nokukhulelwa.

1. [1]Yu, J. H., Kim, M. J., Cho, H., Liu, H. J., Han, S. J., & Ahn, T. G. (2013). Izifo zesifuba ngexesha lokukhulelwa kunye nokuncancisa. I-Obstetrics kunye nesayensi ye-gynecology, 56 (3), 143-159.
2. [Mbini]UMotosko, C. C., Bieber, A. K., Pomeranz, M. K., Stein, J. A., kunye noMartires, K. J. (2017). Utshintsho lwePhysiologic lokukhulelwa: Uphengululo loncwadi. Ijenali yaMazwe ngaMazwe yesikhumba sabasetyhini, 3 (4), 219-224.
3. [3]Bayer, C. M., Bani, M. R., Schneider, M., Dammer, U., Raabe, E., Haeberle, L., ... kunye noSchulz-Wendtland, R. (2014). Ukuvavanywa kotshintsho lwevolumu yamabele ngexesha lokukhulelwa komntu kusetyenziswa ubuchule bovavanyo lobume obunemilinganiselo emithathu kuphononongo lweCGATE. Ijenali yaseYurophu yokuThintela uMhlaza, 23 (3), 151-157.
4. [4]UThanaboonyawat, I., Chanprapaph, P., Lattalapkul, J., kunye noRongluen, S. (2013). Isifundo sokulinga ngokukhula okuqhelekileyo kweengono ngexesha lokukhulelwa. Ijenali yokuSebenza kwaBantu, 29 (4), 480-483.
5. [5]I-Żelaźniewicz, A., kunye nePawłowski, B. (2015). Ubungakanani besifuba kunye ne-asymmetry ngexesha lokukhulelwa lokuxhomekeka kwisini somntwana. Ijenali yaseMelika yeBhayiloji yoLuntu, 27 (5), 690-696.
6. [6]Beyer, I., Mutschler, N., Blum, K. S., & Mohrmann, S. (2015). Izilonda zamabele ngexesha lokukhulelwa-Umceli mngeni wokuChonga: Ingxelo yamatyala. Ukhathalelo lwebele (iBasel, Swizalend), 10 (3), 207-210.

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