Ukuba ungumama oza kuzala umntwana, mhlawumbi sele uqaphele utshintsho oluninzi emzimbeni wakho. Phakathi kwezi, mhlawumbi uqaphele umgca omnyama, othe nkqo ohamba embindini wesisu sakho, ngakumbi kwinkaba yakho. Abanye abantu bakubiza oku ngokuthi 'umgca wokukhulelwa'. Kuqhelekile ukuba abanye oomama bazive besoyika kwaye benomdla xa bebona oku. Imibuzo efana nokuthi "Yintoni le? Ingaba oku kuyingozi? Ngaba kuya kuyichaphazela umntwana?" kumele ukuba ifike engqondweni yakho. Ngoko ungakhathazeki, namhlanje siza kuthetha ngalo mgca, owaziwa ngokwezonyango ngokuba yi-'Linea Nigra'.
Kalula nje, yintoni le Linea Nigra?
I-Linea Nigra ligama lesiLatini elithetha "umgca omnyama." Lo ngumgca omnyama othe nkqo obonakala eluswini lwesisu sakho ngexesha lokukhulelwa. Lo mgca uhlala usuka kwiqhosha lesisu sakho uye kwisisu sakho esisezantsi. Nangona kunjalo, kwabanye abantu, unokudlula ukusuka kwiqhosha lesisu sakho uye esifubeni sakho.
Njengoko ukukhulelwa kwakho kuqhubeka, oko kuthetha ukuba umntwana wakho uyakhula, lo mgca uya kuba mnyama kwaye ubonakale ngakumbi. Kwakhona, abantu abanesikhumba esimnyama banokuwubona ngokucacileyo lo mgca kunabo banesikhumba esicwebezelayo. Oku kungenxa yokuba ubungakanani bepigment enika ulusu umbala walo buyanda.
Into ebalulekileyo kukuba oku kuqhelekile kwaye akunabungozi. Akuzukukwenzakalisa wena okanye umntwana wakho.
Liphuma nini eli langa? Ngaba belisoloko likhona?
Usenokumangaliswa kukuva oku, kodwa lo mgca ubusoloko usesiswini sakho. Kodwa ngaphambi kokukhulelwa, ubizwa ngokuba yi-'Linea Alba', oko kuthetha ukuthi "umgca omhlophe". Ngelo xesha, ukhanya kangangokuba amehlo ethu awakwazi nokuwubona.
Ngexesha lokukhulelwa, 'umgca omhlophe' uba mnyama kancinci kancinci uze ubonakale njengo 'mgca omnyama' okanye 'uLinea Nigra' ngenxa yotshintsho lwehomoni emzimbeni. Kubantu abaninzi, lo mgca uhlala ubonakala ngokucacileyo kwikota yesibini yokukhulelwa, malunga neeveki ezingama-20 zokukhulelwa.
Ingaba le Linea Nigra iyenzeka kubo bonke abafazi abakhulelweyo?
Lo mgca ubonakala malunga nama-80% abafazi abakhulelweyo, okanye malunga nesibhozo kwishumi. Kodwa njengoko benditshilo ngaphambili, indlela obonakala ngayo ngokucacileyo ixhomekeke kwibala lolusu lwakho.
Cinga nje, ulusu lwethu lunombala we-pigment ebizwa ngokuba yiMelanin. Abantu abanolusu olumnyama ngokwendalo banalo olu mbala emizimbeni yabo. Ngoko ke, xa imveliso ye-melanin isanda ngenxa yempembelelo yehomoni ngexesha lokukhulelwa, i-Linea Nigra yabo iba mnyama kakhulu. Kubantu abanolusu olukhanyayo, isenokungabonakali kangako, ngamanye amaxesha isenokubonakala imdaka kancinci.
| Izinto ekufuneka uzazi malunga noLinea Nigra | Inkcazo |
|---|---|
| Yintoni lento? | Umgca omnyama ohamba embindini wesisu ngexesha lokukhulelwa. |
| Iza kuvela nini? | Ngokwesiqhelo kwi-trimester yesibini (emva kweeveki ezingama-20). |
| Yintoni isizathu? | Ukwanda kwemveliso yebala lolusu (i-melanin) ngenxa yokwanda kweehomoni zokukhulelwa. |
| Ingaba oku kuyingozi? | Hayi, ayinabungozi konke konke. Le yimeko eqhelekileyo. |
| Ingaba ulahlekile? | Ewe, iyaphela kancinci kancinci emva kweeveki okanye iinyanga ezimbalwa emva kokuzalwa komntwana. |
Kutheni le nto lo mgca uvela ngexesha lokukhulelwa? Sithini isizathu sesayensi?
Nangona unobangela ochanekileyo woku ungaziwa ngokupheleleyo, oogqirha bakholelwa ukuba unobangela oyintloko lutshintsho olukhulu kumanqanaba eehomoni ezenzeka emzimbeni ngexesha lokukhulelwa.
Ngamafutshane, i-placenta ivelisa i-hormone ebalulekileyo ekukhuleni komntwana. Le hormone ivuselela iiseli ezivelisa umbala obizwa ngokuba yi-'melanin', esinika umbala wolusu lwethu. Oku kwandisa ukuveliswa kwe-melanin, nto leyo ebangela ukuba ezinye iindawo zolusu zibe mnyama.
Kanye njengokuba ufumana amabala amnyama ebusweni bakho (abizwa ngokuba yi-melasma) kunye nolusu olumnyama olujikeleze amakhwapha akho, i-groin, kunye neengono ngexesha lokukhulelwa, kunjalo noLinea Nigra. Konke oku kungenxa yenkqubo efanayo yehomoni.
Kodwa kutheni le nto ikhethekileyo ?Akukacaci ukuba ngamabala kuphela aza kuba mnyama. Oomakhulu bethu babesoloko bejonga lo mgca baze baqikelele isini somntwana, kodwa akukho siseko sesayensi saloo nto, akunjalo? Ngoko ke musani ukukholelwa kwiintsomi ezinjalo.
Ngaba akukho ndlela yokuthintela okanye yokuphelisa oku?
Le yingxaki ebanayo oomama abaninzi. Kodwa inyani yile, awunakuyithintela i-Linea Nigra ukuba ingabonakali. Kuba inxulumene ngokupheleleyo nenkqubo yeehomoni eyenzeka emzimbeni wakho.
Kodwa kukho izinto ezimbalwa onokuzenza.
Izinto onokuzenza
- Zikhusele elangeni: Imitha ye-UV ingenza ulusu lwakho lube mnyama nangakumbi. Ngoko ke, faka i-sunscreen elungileyo xa uphuma, ingakumbi ukuba unxibe impahla eveza isisu sakho.
- Ukunqongophala kwe-Folic Acid: Ezinye izifundo zibonisa ukuba ukunqongophala kwe-folic acid kunokubangela utshintsho kwibala lolusu. Oku kuqukwe kwiivithamini zokukhulelwa ezinikwa ngugqirha wakho ngexesha lokukhulelwa. Kwakhona, faka ukutya okufana nemifuno eluhlaza njengespinatshi, iimbotyi, kunye nesonka esipheleleyo ekutyeni kwakho.
Izinto ekungamele zenziwe
Isilumkiso: Musa ukusebenzisa iikhrimu zokususa ibala lesikhumba, amafutha okugcoba, okanye naziphi na ezinye iimveliso ukususa amabala elanga ngexesha lokukhulelwa okanye ngelixa uncancisa. Iikhemikhali ezikwezi mveliso zinokuba yingozi kuwe nakumntwana wakho.
Emva kokuzala umntwana nokuyeka ukuncancisa, ukuba umgca awukapheli okanye ukhathazekile ngawo, thetha nogqirha wakho malunga nekhrimu yokukhanyisa ulusu. Musa ukusebenzisa nantoni na ngaphandle kwemvume yakhe.
Ngaba umntu ongakhulelwanga angayifumana iLinea Nigra?
Ewe, inokwenzeka. Lo mgca ngamanye amaxesha unokuvela kubafazi abangakhulelwanga, amadoda, kwanabantwana. Kwakhona, kwabanye oomama, lo mgca awupheli ngokupheleleyo emva kokubeleka, kwaye usenokuhlala ukhanya kakhulu ngombala.
Ukuba lo mgca ubonakala umnyama kumntu ongakhulelwanga, udla ngokubangelwa kukungalingani kwamahomoni. Oku kunokubangelwa nangamayeza athile okanye ezinye iimeko zempilo ezingabonakaliyo.
Ngoko ke, ukuba awukhulelwanga kwaye ubona umgca onje ngokucacileyo, kungcono ukuthetha nogqirha wakho ngawo. Ngale ndlela, ungafumanisa ukuba yintoni kanye kanye ebangela oko.
Umyalezo Wokuya Ekhaya
- I-Linea Nigra yinto eqhelekileyo nengenabungozi ebonakala esiswini ngexesha lokukhulelwa. Ayisosifo.
- Isizathu esiphambili soku kukutshintsha kweehomoni ngexesha lokukhulelwa. Oku akuyi kukwenzakalisa wena okanye umntwana wakho.
- Akunakuthintelwa ukuba kwenzeke. Kwakhona, musa ukusebenzisa naliphi na iyeza okanye ikhrimu ukuyisusa ngexesha lokukhulelwa.
- Lo mgca uza kunyamalala kancinci kancinci kwiinyanga ezimbalwa njengoko amanqanaba akho eehomoni ebuyela kwisiqhelo emva kokufumana umntwana.
- Xa uphuma elangeni, ukusebenzisa isithambisi selanga esifanelekileyo kwindawo yakho yesisu kunokunceda ukunciphisa umngcipheko wokutshiswa lilanga.
- Ukuba ukhathazekile okanye unamathandabuzo ngalo mgca, okanye ukuba lo mgca uvela xa ungakhulelwanga, qiniseka ukuba uthetha nogqirha wakho.
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