Iminyaka yakho ngesikhathi sokukhulelwa kokuqala inganciphisa ingozi yomdlavuza webele. Kungenzeka ukuthi uke wazizwa lezi zibalo, kodwa siphila iminyaka esiyikhuluma ngayo, futhi kungani lokhu kungaba yiqiniso?
Iningi lezinzuzo zokuba nengane ayinakulinganiswa, ngokomzwelo, nangomphakathi. Kodwa nanobufakazi bokuthi ukukhulelwa kukunika isipho sempilo-umgogodla wokulwa nomdlavuza webele.
Ukukhulelwa nokukhulelwa kwe-Estrogen Lower Breastfeeding
Ukukhulelwa ngaphambi kweminyaka engama-30 nokuncelisa kuncelisa inani eliphelele lemigomo yokuphila esikhathini sokuphila, okucatshangwa ukuthi yisinye sezizathu ezisiza ukunciphisa ingozi yakho. I-hormone isrogen ishukela 80% yazo zonke izifo zomdlavuza webele. Njengoba ukukhulelwa nokulahla kwehlisa amazinga e-estrogen, ingozi yakho iyancipha njalo uma ukhulelwe futhi ngenkathi unakekela ingane yakho, okungenani kuze kube sezingeni.
Ingabe Ubudala Ekukhulelweni?
Ngokusho kweNational Cancer Institute, ukukhulelwa isikhathi eside noma ngaphambi kweminyaka engama-20 kunika isivikelo esikhulu ekunqandeni umdlavuza webele. Lokhu kunganciphisa ingozi yomdlavuza webele ngesigamu ngokuphathelene nabesifazane abanomntwana oneminyaka engama-35 noma ngaphezulu noma abangenayo izingane. Ukubeletha kugcina izinga lakho le-estrogen liphansi, ngakho-ke awunawo amazinga e-estrogen ngaphambi kokukhulelwa kuze kube yilapho ingane yakho isuliwe.
Ukukhulelwa kwakho kokuqala lapho uneminyaka engama-30 noma ngaphezulu kunika ukuvikelwa okungaphansi komdlavuza webele.
I-Alpha-fetoprotein, iphrotheni eyenziwa yi-fetus ngesikhathi sokukhulelwa, isiza ukulawula ukukhula komntwana. Kungasiza futhi ukucindezela amangqamuzana omdlavuza webele. Ngaphezulu kweminyaka engama-30, i-alpha-fetoprotein isebenza ngokuhlukile, futhi ingasiza ekukhuthazeni kunokuvimbela ukuthuthukiswa komdlavuza webele.
Indlela ukukhulelwa kusiza ngayo ukuvimbela umdlavuza webele
Amabele asathuthuka ngesikhathi sokukhulelwa, lapho amazinga e-hormone ashintsha ngokukhula okusheshayo nokuvuthwa komzimba wonke.
Amangqamuzana omzimba wesisu afika ekuvuthweni okuphelele emva kokukhulelwa okugcwele. Amabele akho asuke esukela emjikelezweni wokuqala wokuya esikhathini ukuya ekukhulelweni kwakho kokuqala. Umcwaningi u-Irma Russo, i-MD ye-Fox Chase Cancer Centre eFiladelphia ikholelwa ukuthi ukunciphisa isikhathi ukuthi amangqamuzana asebele asinikeze ukuvikeleka okungcono kakhulu ngokumelene nezinguquko zomdlavuza. I-hormone eyenziwa ngesikhathi sokukhulelwa, i-griadotropin ye-chorionic yabantu (hCG), idala amangqamuzana asebele ukuba avuthwe futhi avikele ukuthuthukiswa komdlavuza wesikhathi esizayo. I-hormone yokukhulelwa hCG empeleni ibangele izinguquko zofuzo ezihlala njalo ezigulini zakho ze-mammary, kanti lezi zinguquko zofuzo zingasiza ekuvimbeleni umdlavuza webele.
Ngesikhathi ukhulelwe, amangqamuzana e-fetal akhiqizwa, futhi lawo maseli angase ahlale ekujikelezeni kwakho komzimba isikhathi eside emva kokukhulelwa kwakho. Ikhono lala maseli aphikisanayo alintantayo cishe egazini lakho legazi libizwa i-microchimerism yesisu (FMc). Ucwaningo olwenziwa nguDkt. Vijayakrishna K. IGadi ye-Fred Hutchinson Cancer Research Center e-Seattle ibonisa ukuthi la maseli amangane angasiza ekunciphiseni ingozi yomdlavuza webele. I-fetal microchimerism ingabangela umphumela wokuzivikela ngokwenza isimiso sakho somzimba sokuzivikela sikwazi ukuqapha amaseli amabi (kanomdlavuza) ukuze abhubhise.
"Sekuyisikhathi esazi ukuthi ukukhulelwa kungaba yisivikelo somdlavuza wesifuba," kusho uGadi, "kodwa imiphumela yethu isiza ukubhekana nesibindi sokuthi kungani bonke abesifazane bevikelekile." Kodwa abacwaningi banethemba lokusebenza kwesisasa esikhathini esizayo ngemiphumela yabo. "Ngezinye izifundo," wanezela uGadi, "singase sikwazi ukuthuthukisa amangqamuzana e-fetal njengendlela yokwelashwa kwebele noma ngisho nezinye izinhlobo zamanqamu."
Ukukhulelwa Akusiqinisekiso Sokuvikela
Ukukhulelwa akukwazi, kodwa, ukuvikela ngokugcwele umdlavuza webele. Kungenzeka ukuthi utholakale nomdlavuza webele ngesikhathi ukhulelwe futhi ukwelashwa nge-chemotherapy.
Ukuxilongwa komdlavuza webele ngesikhathi sokukhulelwa kuyinto engavamile: kuyingxenye eyodwa kwabangu-3 000 (0.03%) kuya kwabayishumi (0.01%) abesifazane abakhulelwe batholakala benomdlavuza webele. Kukhona ukwanda okuphawulekayo kwamanqamu okubeletha ngonyaka wokuqala emva kokukhulelwa, okuyinto ngemuva kwalokho kwehla ngokulinganayo ngaphansi kwamazinga kulabo abangakaze bakhulelwe futhi bangalokothi babelethe.
Ukukhulelwa Nokukhulelwa Ngemuva Kwesifo Se-Breast Cancer
Uma uthola ukuthi unesifo somdlavuza webele, i-chemotherapy nemithi yokulandelela efana ne-estrogen suppressors kanye ne-aromatase inhibitors kungabangela ukuthi ama-ovari akho ayeke ukusebenza isikhathi esithile. Ngalesi sikhathi, ungase ungasebenzi okwesikhashana, kodwa uma ungakabi ne-menopausal ngemuva kokwelashwa, ukuzala kwakho kungabuyisa izinyanga ezingu-6 kuya kwezingu-12 ngemuva kokuphela kwe-chemotherapy. Futhi unenketho yamaqanda amaqanda noma ama-embungu ngaphambi kokuba uqale ukwelashwa, okubalulekile njengoba kungekho siqinisekiso mayelana nokuzala okuzayo. I-American Cancer Society website ithi, "Naphezu kokukhathazeka ukuthi ukukhulelwa kungabangela umdlavuza ukuba ubuyele, ukuhlolwa kuze kube yimanje akuzange kubonise ukuthi kuyiqiniso kunoma yiluphi uhlobo lomdlavuza." Abaningi ababelethwe umdlavuza wamabele abafisa ukuba nezingane ngemuva kokwelashwa bakhathazeke ngokushintsha kwe-hormonal ukukhulelwa kubangela ukuphindaphindiwe, kodwa izifundo azibonisi umehluko ekuphindaphindiwe noma ngaphandle kokukhulelwa kwe-post-treatment.
Imithombo:
UBaron, M., uSantucci-Pereira, J., noJusso. Izindlela ze-molecular ezihilelekile ekuvimbeleni ukukhulelwa ngomdlavuza webele. Imingcele ye-Endocrinology . 2014. 5: 213.
UGadi, V., noJ. Nelson. I-Fetal microchimerism kwabesifazane abanomdlavuza webele. Ucwaningo lweCans . 2007. 67 (19): 9035-8.
I-Gadi, i-V. Fetal microchimerism esifubeni kwabesifazane abanomdlavuza webele. Ucwaningo lweCanscer and Treatment 2010. 121 (1): 241-4.
I-National Cancer Institute. I-Breast Cancer Prevention (PDQ). Kubuyekezwe 10/22/15.
Russo, I. I-Fox Chase Cancer Centre. Umbiko Wokungena. Izinguquko zofuzo emathunzini asebele abangelwa i-hormone yokukhulelwa kusiza ukuvimbela umdlavuza webele. Kushicilelwe: 04 / 20/2005.