Iziphumo zophando kunye ne-FDA Labeling
Abasetyhini abaninzi banokukhetha ukusebenzisa iSicwangciso B Isinyathelo esinye-nye (iifom zaso, indlela yam , ukuthatha isenzo , kunye ne- Next Choice One Dose ) okanye uguqulelo oluqhelekileyo lweCwangciso B ( Okukhethiweyo Okulandelayo ), njengendlela yokukhusela ngokukhawuleza ukukhusela ukukhulelwa emva kokuhluleka kokulawula ukuzalwa okanye ukuziphatha kakubi. Nangona ukukhulelwa kongxamiseko kuphephile kwaye kuyasebenza, ukusetyenziswa kweCwangciso B kuyaqhubeka nokuvelisa ingxabano . Ininzi yale mpikiswano ivela kwiCwangciso B esebenzayo - ngokukodwa ngokubhekiselele ukuba ingaCwangcanga B okanye iCwangciso B inqanda amaqanda azaliswe ngumhlaza. Kwakhona kubonakala ukuba into ebalulekileyo eyenza ukudideka malunga nendlela uCwangciso B osebenza ngayo kukuba i-FDA yokubhaliweyo kule mveliso ithi enye into, kodwa uphando kunye nedatha aluqinisekisile iilebula ze-FDA.
Oko kuthethwa yi-FDA
Ngokwezibhali zeemveliso, isiCwangciso B sisebenza ngokubanzi ngokuthintela / ukulibazisa i-ovulation okanye ngokuphepha ukuchumisa (ngokutshintsha ukuhamba kwendoda kunye / okanye iqanda). Ingxoxo ivela kwinqanaba elilandelayo lelebula, phantsi kwe "indlela yokusebenza," ifundeka:
"Ukongezelela, [iCwangcise B] inokuvimbela ukufakelwa (ngokuguqula i-endometrium)."
Uluntu lwezonyango luchaza ukukhulelwa njengoko kusekwe emva kweqanda elikhulelweyo lifakwe kwisibeleko. Nangona kunjalo abo banombono wokuba ukhulelwe baqala ukuchumisa bakholelwa ukuba isiCwangciso B siyakususula ukukhupha isisu ukususela ekusebenziseni kwayo kunokuthintela ukufakelwa kweqanda elichumayo. Oko kuthethwa, uphando aluxhasi le ngcamango malunga nendlela iCwangciso B isebenza ngayo. Enyanisweni, uphando lubonisa ukuba xa kuthathwa emva kokuvuthwa, iSicwangciso B asiyinciphisi izinga lokukhulelwa.
Ziziphi iimpawu zophando
- Iinkcukacha ezivela kwizifundo zakutshanje ziyaqhubeka zibonelela ubungqina obuqinileyo bokuthi iSicwangciso B asikuthinteli ukufakelwa (oku kwabonakala kuyenjalo ku- Ella , enye inketho yokukhusela iimeko eziphuculweyo). Uninzi lweengxelo zophando ukuba indlela ephambili eyenza isicwangciso B isebenza ngokuthintela okanye ukulibaziseka i-ovulation -kuba iPlani B ithathwa ngaphambi kokuba kuqhutywe i-ovulation. Ngokungavumeli iqanda ukuba likhulule, akukho nto inokufumaneka ukuze inambuzane ikhule, ngaloo nto ikhusela ukukhulelwa ukuba kwenzeke.
- Uphando lubonisa ukuba iprogesin (levonorgestrel) kwisiCwangciso B sinokukunceda ukuphepha ukukhulelwa ngokutshintsha ukuhamba kwesidoda. Olunye uphando lubonisa ukuba le progesin inokubangela ukuba i-procusin yintsholongwane iqhube, yenza kube nzima ukuba isidoda sifinyelele iqanda. Iinkcukacha zengcaciso eyongezelelweyo ukuba ubukho beli progestin bangela ukuba isidoda singasebenzi okanye "sidideke," ngaloo ndlela sichaphazela indlela abaya kuyo.
- Kuphando lwezifundo eziliqela, abafazi banikwa iPlani B emva kokuqulunqa (ngeemvavanyo ze-hormone) abafazi abaye bazithengisa ngazo kwaye bekungabikho. Iziphumo zonke zibonise ukuba akukho namnye wabasetyhini abathatha isicwangciso B ngaphambi kokuba i-ovulation ikhulelwe (ezi ziphumo zikunceda ngokwenene ukugxininisa indlela iSicwangciso B esisebenza ngayo ngokulibazisa ukuvuthwa). Ukukhulelwa kwangoku kwenzeka kuphela kwabasetyhini abathatha isicwangciso B okanye emva komhla wokuvuthwa, kwaye aba bafazi bakhulelwa ngezinga elifanayo njengabasetyhini abangazange bathathe iSicwangciso B. Ezi ziphumo zenze abaphandi uNoé, Croxatto, Salvatierra, noReyes (2011) ukugqiba ukuba iSicwangciso B
"Awuyikuthintela ukufakelwa kwembumbulu kwaye ngoko ayikwazi ukubhala njenge-abortifacient."
- Ngo-2007, uphando lubonise ubungqina bokuba iSicwangciso B asizange sithintele ukunamathiswa kweembumba zangomntu kumdonga we-uterine. Abaphandi bafumene amaqanda ahluthwe ngamanzi eklinikhi yokuzala. Emva kokubhengeza la maqanda kwi-progestin (efunyenwe kwiCwangciso B) kwindawo engqinelanayo, iziphumo zibonise ukuba ubukho beprogesin abukhuselanga amaqanda ukuba adibanise kwiiseli ezihambelana nesisu.
Ngoko, uninzi lophando lubonisa ukuba ukusebenzisa iSicwangciso B akuyi kubangela nayiphi na inguqu kwimbali yesisu (endometrium). Ngenxa yokuba iSicwangciso B asinayo nayiphi na impembelelo kwi-endometrium, abaphandi banokugqiba ukuba le nkqubo yokukhusela iimeko ezikhuselekileyo ayikwazi ukukhusela ukufakelwa kweqanda elikhulelweyo. Abaphandi abaninzi baye bachaza ingcamango yokuba isiCwangciso B asiyikuyeka ukufakelwa kwinto esenzekayo mhlawumbi isizathu sokuba asikho i-100% esebenzayo ekukhuseleni ukukhulelwa okungalindelekanga - kunye nesizathu sokuba iSicwangciso B singasebenzi kangako xa ulinde ukulisebenzisa.
Kutheni i-FDA ifakiwe ukufakwa kwiiLebhile zeBl b
Ukususela ekuqaleni kweProgram yokuvunywa kweCwangciso B, umenzi walo ucele ukuba i-FDA ingabandakanyi ukufakela ukusetyenziswa njengendlela yeCwangciso B esebenza kwilebula yayo. Nangona kunjalo, kubonakala ukuba ngexesha lokuvunywa, ininzi yophando kwiCwangciso B yophando ukuba ingaba isithako esisebenzayo, i-progestin levonorgestrel, inokukhusela ngokukhuselekileyo nangokukhuselekileyo ukukhulelwa. Ezi zifundo azizange zihlolisise indlela iSicwangciso B esisebenza ngayo. Ngoko-ke, i-FDA inokugqiba ekubeni ifake ukufakelwa kwendawo yokubeka i-Plan B ngenxa yokuba le ndlela ibonakala enye yeendlela zokulawula iipilisi zokuzalwa (ezo ziqukethe i-levonorgestrel kunye nemveliso esebenzisa i-progestin eyahlukeneyo) - ngokutshintsha i-lining yesisu. Ngoko i-FDA isenokuba isigqibo sokuba ngenxa yokuba ipilisi inokukwenza oku, kunjalo noCwangciso B.
Kodwa kukho izinto ezimbini zokugcina engqondweni. Enye , nokuba iipilisi iguqula i-endometrium, utshintsho olubangelwayo aluzange lubonakaliswe ukuphazamisa ukutshalwa kweqanda elikhulelweyo. Okona kubaluleke ngakumbi , ngeepilisi zolawulo lokuzalwa, uyakha amayeza e-progestin kuba uthatha la mapilisi imihla ngemihla. Uphando lubonisa ukuba i-levonorgestrel dose enye kwiCwangciso B ayinalo amandla okanye ixesha lokubangela nayiphi na inguqu kumbindi wesisu.
Nangona kunjalo abo babandakanyekayo kwingxelo yenkqubo yokuvunyelwa kweCwangciso B ukuba i-FDA yanquma ukubandakanya, kwileyibhile yemveliso, ukuba iSicwangciso B isebenza "ngokweqhinga ... ngokuphazamisa iinkqubo zemizimba." I-FDA yakwandiswa kule nkcazo ngokubandakanya uluhlu lwazo zonke iindlela ezicwangcisiweyo zeCwangciso B. Nangona kungekho bungqina bobunzululwazi bokuthi iSicwangciso B sisebenza ngokuthintela amaqanda ukuba singeniswa, le ndlela yokusebenza yayisabandakanywa kwilebula yeziyobisi.
ISicwangciso seB B Sisebenza - Isiphelo
Nangona kungaziwa ukuba i-FDA icingisisa nokuba ingavumeli ukuhlaziywa kwelebula, u-Erica Jefferson, umkhulumeli we-FDA, wavuma, "Iinkcukacha eziphuhlisayo kwiCwangciso B zibonisa ukuba ayikuvimbeli ukufakelwa." Uphando lubonisa ukuba iSicwangciso B asiyi kuphazamisa ukukhulelwa okukhoyo, kwaye isebenza ngokubalulekileyo ngokuthintela i-ovulation. Ngenxa yokuba uphando lubonisa ngokucacileyo ukuba iSicwangciso B asikuthinteli ukufakelwa kweqanda elalikhulile, uphando loluntu (kunye nabaninzi kuluntu lwezonyango) banomuvo wokuba ulwimi olunjalo malunga nokufakelwa kufuneka lukhutshwe kwiSicwangciso seB b.
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