Mankhwala ovomerezeka , omwe amadziwika kuti mapiritsi oletsa kubadwa kapena "mapiritsi", adavomerezedwa ndi FDA pa June 23, 1960. Mapiritsiwa asinthira thanzi la amayi pazaka makumi asanu zapitazi. Nayi mbiri yakale ya mapiritsi oletsa kubereka komanso momwe amagwirira ntchito.
Piritsi Yoyamba Kubadwa
Njira yoyamba kubadwa inkatchedwa Enovid ndipo inapangidwa ndi Searle.
Mayi wazaka za 1960, komanso akazi masiku ano, ankakonda mapiritsi chifukwa amapereka njira yowonetsera yobwereza yomwe ilipo, komabe lero, pafupifupi 100 peresenti ikakhala yotengedwa ngati itayikidwa.
Kugonana kwa amayi ndi Ufulu wa Akazi
Chivomerezo cha kulera kwachitetezo chinathandiza kwambiri pakuwomboledwa kwa amayi komwe kunachitika m'ma 1960. Kwa nthawi yoyamba, akazi anali omasuka kusangalala ndi kugonana mosadziteteza popanda mantha a mimba. Masiku ano anthu ambiri oposa 10 miliyoni amagwiritsira ntchito pilisi.
Pilisi Imagwira Ntchito Bwanji?
Mankhwala ovomerezeka ammimba amachititsa kuti ovulation asalephereke kuti dzira limasulidwe ndi mazira ochulukirapo chifukwa cha umuna. Kuchotsa mimba kumadwalitsidwa kupyolera mu machitidwe a mahomoni - estrogen wokha kapena kuphatikiza kwa estrogen ndi progesin - kuti mapiritsi otha kubala ali nawo.
Piritsi loletsa kubereka siliteteza mimba yosakonzekera , imaperekanso madalitso ochuluka kwa amayi omwe amagwiritsa ntchito.
Ndipotu, amayi amene amamwa mapiritsi kwa chaka chimodzi amakhala osachepera 40 peresenti yochepetsetsa khansa ndi khansa ya ovari . Phindu linalake la mapiritsi oletsa kubereka ndikuphatikizapo kuyendetsa nthawi zosawerengeka, kuyendetsa ziphuphu, kuchepetsa kusamba kwa msambo komanso kuchepetsa zizindikiro za matenda omwe amayamba kudwala (PMS).
Mahomoni omwe ali m'kati mwa kulera kwakamwa amathandizanso kuteteza matenda opatsirana a m'mimba, chifukwa chachikulu cha kusabereka. Chitetezochi chimayambitsidwa chifukwa cha kuchuluka kwa makulidwe a chiberekero omwe amapezeka pamene mankhwala opatsirana pakamwa amagwiritsidwa ntchito. Mankhwalawa amathandiza kuti mabakiteriya asalowe muzimayi, ndipo mwina chiberekero ndi mazira omwe amatha kutupa.
Zotsatira:
Jones, J., Mosher, W., & Daniels, K. (2012). Ntchito Yoperekera Kugonana Yoyamba Ku United States, 2006-2010, ndi Kusintha mu Zitsanzo za Ntchito Kuyambira mu 1995. Report Report National Statistics, (60).
Kulimbitsa Ana, Kodi Pirisi Ndi Yabwino Kwa Inu? 01/21/05.