Amaqanda avundiswa kanjani futhi yini ekusiza ukhulelwe masinyane

Ngezinye izikhathi sicabanga ukuthi konke kulula kakhulu. Kodwa empeleni, isayensi enkulu ngemibuzo yokuthi amaqanda avundiswa kanjani inzima kakhulu kunalokho esikucabangayo. Mhlawumbe umngani wakho ugcizelela ukudla okuthile, noma ugogo wakho uthi kufanele ulale ukhonye phansi ngemva kocansi. Ungase uzibuze futhi: ngikhulelwa ngokushesha kanjani—kungenzeka ngempela ngendlela engenaphutha? Akunjalo. Kuyinhlanganisela yesikhathi, isayensi yomzimba, futhi (yebo) nenhlanhla encane. Kodwa ukuqonda le nqubo kuyisiqalo esihle, ikakh尤其 uma ucabangisisa nangendlela yokukhulelwa ngendlela yemvelo kakhulu.

Leyonto yokuqala yokuqhuma kokukhulelwa iwukuthi isidoda siphumelele ukuhlanganiswa neqanda. Iningi lethu likhothama amakhanda lisithi, “Kulungile, kodwa kwakhiwa kanjani ingane ngempela?” Noma “ngingenzani ukuze ngikhulelwe uma konke kubonakala kungahleliwe?” Iqiniso langempela ukuthi: Iqanda lihlangana nesidoda emathunjini e-fallopian, okungenani ezimweni ezivamile. Kodwa ake uzwe lokhu—kukhona okungaphezu kokudubula ebumnyameni. Ake sikuhlolisise.

Kwenzekani Ngesikhathi Sokuvundiswa?

Ake ngiqale ngokwethula ngokushesha: ukuvundiswa akusona nje isenzakalo esisodwa esisheshayo. Uchofozo lwezehlakalo ezincane eziholela ekuhlanganeni kwesidoda neqanda. Ngakho, uma wake wazibuza, ngikhulelwa kanjani? Empeleni kuwumphumela wokuhlangana kwesikhathi esiphelele kanye nemvelo enempilo emukelekayo ekuvundisweni. 

Ukuqonda inqubo yokuvundiswa kuhlobene futhi nombuzo obanzi wokuthi indlela owesifazane akhulelwa ngayo ngomuntu wesilisa, njengoba ukungena kwesidoda eqandeni nokuzinza kwembryo kuncike ezimeni ezifanele ukuze isidoda sihlangane neqanda bese silimila ngempumelelo.

Umdlalo Uyaqala

Izigidigidi zamasidoda zikhishwa ngesikhathi sobulili. Ziyashesha zidlule emlonyeni wesibeletho zingene esibelethweni, ekugcineni ziqonde emathunjini e-fallopian. Uma ufuna indlela yokukhulelwa ngokushesha, ungazama ukuhlela ucansi usuku noma amabili ngaphambi kokuba ulindele ukuvuthwa kweqanda. Ngale ndlela, isidoda sesilokhu silindile lapho iqanda lifika [1]

Ukufika Okukhulu Kweqanda

Khonamanjalo, iqanda likhishwa ku-ovary cishe maphakathi nomjikelezo. Lihlala likwazi ukuchuma cishe amahora angu-12-24 kuphela. Ngakho uma kungekho masidoda azungezile, lelo qanda empeleni seliba yithuba elilahlekile [2]. Umqondo wokukhulelwa uncike kakhulu kulowo msebenzi wesikhathi esifushane. Uma ukufakwa kwesidoda kwenzeka,-ke, usuzoya esigabeni esilandelayo. Uma kungenzeki, umjikelezo uqala phansi futhi.

Kuthatha Isikhathi Esingakanani Isidoda Ukufinyelela Eqandeni?

Misa umzuzwana. Abantu bavame ukubuza, kuthatha isikhathi esingakanani ukuthi isidoda sifinyelele eqandeni? Ibanga libanzi ngokumangazayo. Isidoda esishesha kakhulu singakwazi ukuntweza sifinyelele emgodini wefallopian emizuzwini nje. Esinye sithatha amahora amaningi. Esinye asifiki neze lapho. Kubantu abacabanga ngokuthi bangakukhulisa kanjani ithuba lokukhulelwa, ulwazi lokuthi isidoda singahlala ngaphakathi emzimbeni kuze kufike ezinsukwini ezinhlanu lungaduduza. Lokho kusho ukuthi uma uye waya ocansini ezinsukwini ezimbalwa ngaphambi kokuvuthwa kweqanda, usengase ukwazi ukukhulelwa.

Uhlelo lokuzala lwesifazane alulula nhlobo esidodeni. Lufana kakhulu nenkundla yezithiyo. Kodwa uma isidoda somlingani wakho siqinile, futhi umzimba wakho usezingeni elihle lezempilo, amathuba ayakhula [3].

Kufakwa Nini Isidoda?

Asikwazi ukungena ngokuqondile ngaphandle kwesingeniso samagama ambalwa: ukufakwa kwesidoda kubucayi ngokuhamba kwesikhathi. Uma iqanda lingekho noma uma isidoda sifika kusenesikhathi kakhulu noma sephuze kakhulu, ukufakwa kwesidoda akwenzeki. Lo mqondo ungadala ukudideka. Abantu bafuna ukwazi ngokunembile ukuthi ukufakwa kwesidoda kwenzeka nini emjikelezweni wenyanga.

Iwindi Eliminyene

Iqanda + isidoda kumele kuhlangane ngesikhathi esifanele. Ikhono leqanda lokuphila lifushane kakhulu kangangokuthi uma kungekho sidoda esifakayo, le nqubo iyahluleka kulowo mjikelezo. Uma ufuna amathiphu okukhulelwa, lokho kuyingxenye ebalulekile: landela isikhathi sakho sokuvuthwa kweqanda, kungaba ngokusebenzisa amakhithi noma ngokulandelela izimpawu zemvelo zomzimba wakho (njengoketshezi lwesibeletho noma izinga lokushisa lomzimba elisezingeni eliphansi). Ukuya ocansini usondelene nalolo suku kukhulisa kakhulu amathuba akho okuphumelela.

Izinyathelo Ezilandelayo

Uma ukufakwa kwesidoda kwenzeka, leyo zygote (iqanda elisemukele isidoda) liqala ukuhlukana libe amaseli amaningi njengoba liqhuqha liye esibelethweni. Kulo lonke leli sikhathi, akukabi wukukhulelwa okuqinisekile ngoba alikafakelwa. Abantu bavame ukuzibuza, kuthatha isikhathi esingakanani ngemuva kokukhulelwa ngaphambi kokuthi umuntu abhekwe njengokhulelwe? Ngokuvamile, ubhekwa njengokhulelwe ngemuva kokufakelwa. Lokho cishe isonto noma ngaphezulu ngemuva kokufakwa kwesidoda, kuncike [4].

Yiziphi Izimpawu Zokufakwa Kwesidoda Nokukhulelwa?

Kuvamile ukuba nomdlandla omkhulu, ufisa ukubona ukuthi “uwuzwile yini” umcimbi wokufakwa kwesidoda. Kodwa iqiniso ukuthi ukufakwa kwesidoda uqobo akukhiqizi izimpawu ezinkulu ezisheshayo.

Izimpawu Ezincane

Ungase ufunde mayelana nobuhlungu obuncane besisu noma ukopha okuncane ngesikhathi sokufakelwa (okwezinye izikhathi okuthiwa ukopha kokufakelwa), kodwa akuwona wonke umuntu okwenzeka kuye lokho. Omunye angase futhi afune ukubheka indlela yokuchaza izinguquko emzimbeni. Uma ungenalwazi ngokuphelele ngokuthi ungakutshela kanjani ukuthi iqanda lakho lifakwe isidoda, khumbula ukuthi ukuhlolwa kokukhulelwa okwenziwa ekhaya ngeke kuthole lutho kuze kube yilapho umbungu usufakelwe esibelethweni futhi uqala ukukhiqiza i‑hCG. Yingakho ukuhlolwa kusenesikhathi kakhulu kungakhombisa imiphumela engemihle ngisho noma ukufakwa kwesidoda kwenzekile.

Linda Kuze Kuphele

Abanye abantu baqhubeka befuna impendulo ethi, isikhathi esingakanani isidoda esithatha ukuze sihlangane neqanda? Lokhu kungahlukahluka. Uma ucansi luqondaniswe kahle nesikhathi, ukuhlangana kungenzeka ngokushesha. Uma ucansi lwenziwe ezinsukwini ezimbalwa ngaphambi kwalokho, isidoda singase sisahlezi ethrekthini yomzimba wesifazane silinde ukuthi kufike iqanda. Umqondo ongcono kakhulu ukuphana nesineke, okuyinto, okuyinhlekelele, eyingxenye enzima kakhulu emabhangqeni amaningi azama ukukhulelwa [5].

Izinto Ezithinta Ukuzala

Ngaphambi kokuba singene kujule: ukuzala akuhlangene nje nokwenza ucansi. Kukhona ukubambisana kwendlela yokuphila, amahomoni, ifuzo, nesikhathi. Abantu abazama ukuthola ukuthi singakhulelwa kanjani bangazuza ngokuhlola lezi zinto.

Ibhalansi Yamahomoni

Amahomoni ahlela i-ovulation, izinguquko ku-mucus wesibeletho, nendawo esibelethweni. Uma amahomoni akho ephazamisekile ngenxa yokucindezeleka, imikhuba yokulala engajwayelekile, noma ezinye izimo zempilo, kunganciphisa iwindi lakho lokuzala. Amanye amabhangqa aqhubeka ezibuza, “ungaba kanjani ukhulelwe?” ekugcineni ayahlola amazinga amahomoni.

Amaqanda Nesidoda Ezinempilo

Ikhwalithi ibalulekile kakhulu. Njengoba sikhula, ikhwalithi yamaqanda ingehla. Isidoda singase sithinteke imikhuba efana nokubhema, ukuphuza ngokweqile, noma ukudla okungelona elihle [6]. Ngakho uma uzizwa ubambeke emjikelezweni wokukhungatheka othi “khulelwa khulelwa”, cabanga ukulungisa ukudla noma indawo ohlala kuyo. Lokhu kungasiza isidoda sibe nokunyakaza okungcono noma amaqanda ahlale enempilo, kukunike ithuba elingcono.

Indlela Ukudla Okusekela Ngayo Ukuzala

Kungase kuzwakale kuphindaphindiwe, kodwa kubaluleke ngokungaphikiswa. Ukudla okunempilo kungasiza ukuzinzisa amahomoni, kugcine isisindo somzimba esinempilo, futhi kusekele impilo yokuzala iyonke [7]. Uma ikakhulukazi usesha amacebiso okuthi ungakhulelwa kanjani, mhlawumbe uphinde uhlole ukudla kwakho kwansuku zonke.

Ukugxila Ekudleni Kwabesifazane

Abesifazane bavame kudingeka babe nofolic acid owanele, insimbi, namanye amavithamini ukuze kusekelwe imijikelezo enempilo. Uma uphenya ukuthi ukwenza ingane ngendlela eshelelayo kwenzeka kanjani, ukudla okunempilo okulinganiselayo kungenzeka kusize ukuhlela i-ovulation [8]. Futhi, ukuba mncane kakhulu noma ukhulu kakhulu kungaphazamisa ibhalansi yamahomoni, ngakho ukuthola indawo emaphakathi kubalulekile.

Ukugxila Ekudleni Kwabesilisa

Ikhwalithi yesidoda ingathuthukiswa ngokugxila kuma-antioxidant, amavithamini athile (njenge-vitamin C noma D), nendlela yokuphila enempilo. Noma ingxoxo ivame ukubhekiswa emzimbeni wesifazane, nezinto ezingakubona kowesilisa zibalulekile ngokulinganayo. Uma unelukuluku lokuthi ungazithola kanjani izisu ngokushesha, kungenzeka wena nomlingani wakho nifake ekudleni kwenu ukudla okusekela ukuzala noma umkhuba wokuzivocavoca okungelula.

Ukuchumiselwa Kwenzeka Kuphi?

Ake sikubeke lokhu ngesingeniso esifushane: Indawo okukuyo le nto ingadida abantu abaningi. Abanye bangase bacabange ukuthi kungumbeletho, kodwa empeleni, akuvamile ukuthi kube njalo.

Amashubhu e-Fallopian

Uma ubuzibuza ukuthi ukufakelwa inzalo kwenzeka kuphi? Impendulo engaguquki ukuthi kumashubhu e-fallopian. Iqanda, ngemva kokuvuthwa, lihlala lapho lilindele isidoda. Leyo yindawo enkulu yokufakelwa inzalo. Uma amashubhu akho evalekile noma alimazekile, ukufinyelela ekukhulelweni kungaba yinselelo enkulu [9].

Isibeletho Asilona Isiteji Sokuqala

Kuyinkolelo-mbumbulu ejwayelekile ukuthi ukufakelwa inzalo kungenzeka esibelethweni. Eqinisweni, isibeletho yindawo lapho iqanda elafakelwa inzalo ligcina litshalwa khona. Kodwa ukuhlanganiswa kwangempela kwesidoda neqanda ngokuvamile kwenzeka kwelinye lamashubhu [10].

Amathiphu Okuqinisa Ukuzala

Ezinye izinqumo zendlela yokuphila nesikhathi zingasiza ukwandisa amathuba akho. Akukho nalinye laziyindlela eqinisekile, kodwa zingase zishintshe amathuba zibe ngcono.

Landelela Umjikelezo Wakho & Ucansi

Enye yezeluleko ezinhle kakhulu zokukhulelwa: qapha iphethini yokuvuthwa kwamaqanda. Yenza ucansi njalo ngosuku olulodwa eduze kwefasitela lakho lokuzala. Lelo fasitela linguwo cishe izinsuku ezinhlanu ngaphambi kokuvuthwa kweqanda kanye nosuku lokuvuthwa uqobo. Abantu abafuna izindlela zokukhulelwa bangase basebenzise izinhlelo zokusebenza zedijithali noma ukulandelela izinga lokushisa lomzimba ngesikhathi sokuphumula ukuze bathole isikhathi sokuvuthwa kwamaqanda ngokunembile.

Phatha Ingcindezi & Impilo

Ingcindezi engapheli ingaphazamisa amahomoni. Futhi uma ucabangisisa ngendlela yokukhulelwa, ungakhohlwa ukuphatha ingcindezi, ukuzivocavoca ngokulingene, nokuphumula okwanele [11]. Gwema ukubhema kakhulu noma ukuphuza utshwala ngokweqile, ngoba lokhu kungalimaza ikhwalithi yamaqanda nesidoda.

Kwenzenjani Ngemva Kokufakelwa Inzalo?

Ake ngikuchaze: iqanda elafakelwa inzalo manje seliyi-zygote eqala ukuhlukana ngokushesha. Ngokuvamile lichitha izinsuku ezimbalwa lihamba ngeshubhu le-fallopian, lisondela kancane esibelethweni.

Umzila Oya Ekutshalweni

Le nhlangano yamaseli ekugcineni iba i-blastocyst. Abantu kwesinye isikhathi babuza, kuthatha isikhathi esingakanani ukuthi isidoda sifinyelele eqandeni bese kuthatha isikhathi esingakanani ukuthi iqanda elafakelwa inzalo lifinyelele esibelethweni? Impendulo emfushane: isidoda singafika masinyane, kodwa iqanda elafakelwa inzalo lingase lisadinga izinsuku ezingu-3 kuya kwezi-4 ukugeleza liye esibelethweni. Phakathi nalokho, izigaba ezingaphansi zifaka ukwahlukana kwamaseli okuqhubekayo [12].

Ukutshalwa & i-hCG

Ekugcineni, leli blastocyst lizama ukunamathisela odongeni lwesibeletho. Uma liphumelela, umzimba uqala ngokushesha ukukhiqiza ihomoni i-hCG, okuyiyo etholwa izivivinyo zokukhulelwa. Uma wake wazibuza, kuthatha isikhathi esingakanani ukuze ukufakelwa inzalo kwenzeke? ngokuvamile kuba yileso sikhathi iqanda lihlangana ngaso nesidoda eshubhini. Kodwa “ukukhulelwa” uqobo luvunywa kuphela uma ukutshalwa kwenzeka.

Ingabe i-IVF Ingakwazi Ukusiza Ukufakelwa Inzalo?

Isingeniso esifushane: akuwona wonke umbhangqwana okhulelwa ngokwemvelo kalula. Ngaphakathi kwesikhathi i-IVF noma ezinye izindlela zosizo zingangena njengokuxazulula okungenzeka.

Inqubo ye-IVF

In vitro fertilization (IVF) ukudlula ezinye izithiyo. Amaqanda aqoqwa, afakelwe isidoda elabhorethri, bese ebuyiselwa esibelethweni. Abantu bangakhetha le ndlela uma benamashubhu avalekile noma kunezinkinga ezinkulu zesidoda sowesilisa. Ngakho uma uyaqhubeka uzibuza ukuthi ukukhulelwa kwenzeka kanjani endaweni yesayensi noma elawulwayo kakhulu, i-IVF ingenye yalezo zindlela [13].

Ukulinganisa Izinketho

I-IVF ingaba nzima ngokomzwelo nangokwezezimali. Kodwa kwabashadile abahlangabezana nezingqinamba zokukhulelwa ngokwemvelo, ingavula amathuba amasha. Uma uphenya ukwelashwa kokuzala ukuze ukhulelwe, khuluma nochwepheshe ukuze nithole ukuthi i-IVF ifanele yini isimo sakho.

Okubalulekile

Indlela esuka ku-ukuthi amaqanda achumwa kanjani iye ekuboneni lolo vivinyo lokukhulelwa olumakwe ukuthi luhle ingafushane kwabanye abantu, kanti kwabanye ibe umjaho omude. Sixoxile ngezisisekelo: ukuqonda ukuthi iqanda nesidoda kuhlangana kanjani, indima yesikhathi, nokubaluleka kwemvelo enempilo yokukhulelwa. Uma uqhubeka uzungeza imibono enjengokuthi “ukukhulelwa ngokushesha kanjani” noma “ukukhulelwa kwenzeka kanjani nje”, ingxenye enkulu yempumelelo incike kulelo fasitela lokuzala eliseduze ne-ovulation. Ukuya ocansini ngaphakathi kwalelo fasitela, kuhlangene nezindlela zokuphila ezisekelayo, kudala isisekelo sokuchumisana.

Kulabo abangase bazibuze ukuthi umuntu ukhulelwa kanjani noma labo abakhungathekile baze baphindaphinde bathi “khulelwa khulelwa”, khumbula ukuthi uhambo lwazo zonke izithandani lungafanana kodwa luhlukile. Ungethuki uma kungebona inyanga yokuqala lapho kwenzeka khona. Umqondo oyisisekelo wokuthi ukukhulelwa kwenzeka kanjani ulandela lokhu: iqanda nesidoda kumele kuhlangane emseleni we-fallopian, bese lelo qanda elichumile linamathela esibelethweni. Uma ukuzama ngokwemvelo sekuthatha isikhathi eside kakhulu, uchwepheshe wezokuzala noma ukwelashwa kokuzala njengokuthi i-IVF kungaba yisinyathelo esilandelayo. Ekugcineni, ulwazi luyamandla. Ngokuzwa kahle ibhayoloji yokuchumisana nokulungisa indlela owenza ngayo, ungakwazi ukwandisa amathuba okukhulelwa—kungadingeki neze ukwenza imidlalo yokuzivivinya umzimba ngekhanda phansi.

Imibuzo ejwayelekile

Ungamthola kanjani umntwana?

Uma ukuchumisana nokunanamathiselwa sekwenzekile, ukukhulelwa kuqhubeka cishe izinyanga eziyisishiyagalolunye kuze kube kubeletha. Landela ukunakekelwa kwangaphambi kokubeletha okuhle.

Kuthatha isikhathi esingakanani ukuthi isidoda sihlangane neqanda?

Kungaba imizuzu embalwa uma iqanda selivele likumsele we-fallopian. Kodwa khumbula, isidoda singaphila kuze kufike ezinsukwini ezinhlanu emzimbeni womuntu wesifazane, silindele ukufika kwalelo qanda.

Kwenziwa kanjani umtwana?

Uhlobo oludlalayo noma olubhalwe kabi. Ubulungu bezinto zebhayoloji abuguquki: iqanda, isidoda, ukuchumisana emasele e-fallopian, umbungu unamathela esibelethweni.

I-conception nokuthi “ukukhulelwa”?

I-conception yimbumba yesidoda neqanda. “Ukukhulelwa” kubhekisela enqubweni yokuzuza ukukhulelwa. Kokubili kugxile kuleso sinyathelo esimangalisayo esifanayo.

I-ovulation ne-implantation kukwehluka ngani?

I-ovulation ukudedelwa kweqanda esibeleni. I-implantation wukunanamathiselwa kweqanda elichumile odongeni lwesibeletho. Lezi yizigaba ezimbili ezehlukene kuhlelo lwesikhathi sokukhulelwa.

Izinkomba

1. Barratt, C. L. R., Björndahl, L., De Jonge, C. J., Lamb, D. J., Osorio Martini, F., McLachlan, R., Oates, R. D., van der Poel, S., St John, B., Sigman, M., Sokol, R., & Tournaye, H. (2017). Ukuxilongwa kokungakhuleli kwabesilisa: ukuhlaziywa kobufakazi bokusekela ukuthuthukiswa kwemihlahlandlela yomhlaba yonke ye-WHO – izinselelo namathuba ocwaningo esizayo. Ukubuyekezwa kokuzalana kwabantu. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/28981651/
2. Yanagimachi R. (1994). Ukuzala kwesidoda sezilwane ezincelisayo: ukuthuthuka kwaso nokuhlobana kwaso. I-Zygote (Cambridge, eNgilandi). Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/8665172/
3. Makker, K., Agarwal, A., & Sharma, R. (2009). I-oxidative stress & ukungakhuleli kwabesilisa. Ijenali yaseNdiya yezocwaningo lwezokwelapha. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/19535829/
4. Mostajeran, F., Godazandeh, F., Ahmadi, S. M., Movahedi, M., & Jabalamelian, S. A. (2017). Umthelela wokujova i-human chorionic gonadotropin ngaphakathi esibelethweni ngaphambi kokufakwa kwe-embryo ekwandiseni izinga lokukhulelwa: Ucwaningo olungahleliwe olubheke phambili. Ijenali yocwaningo kwezokwelapha: ijenali esemthethweni ye-Isfahan University of Medical Sciences. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/28400828/
5. Wilcox, A. J., Weinberg, C. R., & Baird, D. D. (1995). Isikhathi sokwabelana ngokocansi maqondana nesikhathi sokuvuthwa kweqanda. Imiphumela emandleni okukhulelwa, ukusinda kokukhulelwa, nobulili bengane. Ijenali yaseNew England yezokwelapha. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/7477165/
6. Agarwal, A., Gupta, S., & Sharma, R. (2005). I-oxidative stress nemiphumela yayo ekungakhulelweni kwabesifazane - umbono kadokotela. Ukuzala nge-bhayomedicine ku-inthanethi. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/16409717/
7. Tarleton E. K. (2018). Izinto ezithinta ukusetshenziswa kwe-magnesium kubantu abadala e-United States. Izibuyekezo zokudla okunempilo. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/29878243/
8. Esmaeili, V., Shahverdi, A. H., Moghadasian, M. H., & Alizadeh, A. R. (2015). Amafutha okudla athinta ikhwalithi yesidoda: ukubuyekeza. I-Andrology. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/25951427/
9. Gu, P., Yang, X., Zhao, X., & Xu, D. (2021). Inani le-hysterosalpingo-contrast sonography ye-4-dimensional yokuhlukanisa okwenziwa nge-transvaginal ekubikezeleni isidingo sobuchwepheshe bokusiza ukuzala kwabesifazane abanenkinga yokungavuleki kwamashubhu. Ukuhlolwa kwezithombe ngobuningi kwezokwelapha nokuhlinzwa. Kutholakala ku: https://pmc.ncbi.nlm.nih.gov/articles/PMC8245943/
10. Wilcox, A. J., Baird, D. D., & Weinberg, C. R. (1999). Isikhathi sokufakwa kwe-conceptus kanye nokulahleka kokukhulelwa. Ijenali yaseNew England yezokwelapha. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/10362823/
11. Rooney, K. L., & Domar, A. D. (2016). Umthelela wengcindezi ekwelapheni ukungakhuleli. Umbono wamanje kwezifo zabesifazane & umkhakha wokubeletha. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/26907091/
12. Lessey, B. A., & Young, S. L. (2019). Yini ngempela ukwamukela kwesendometrium?. Ukuzala nokuvala inzalo. Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/30929718/
13. Staessen, C., Camus, M., Clasen, K., De Vos, A., & Van Steirteghem, A. (1999). Ukuhlanganisa in-vitro okujwayelekile kuqhathaniswa nokufakwa kwesidoda ngaphakathi kwe-cytoplasm kuma-oocyte okufanayo avela emibhangqwaneni enokungavuleki kwamashubhu okuya esibelethweni nokuba nesidoda esijwayelekile (normozoospermic). Ukuzalana kwabantu (Oxford, eNgilandi). Kutholakala ku: https://pubmed.ncbi.nlm.nih.gov/10527972/