Bayyanar iyaye ga BPA yayin daukar ciki hade da rage nauyin haihuwa a cikin zuriya
Bayyanar iyaye ga BPA yayin daukar ciki hade da rage nauyin haihuwa a cikin zuriya
Anonim

Bayyanar iyaye ga bisphenol A (BPA) yayin daukar ciki yana da alaƙa da raguwar nauyin haihuwa na zuriya, idan aka kwatanta da zuriya daga iyalai ba tare da bayyanar BPA na iyaye ba a wurin aiki, a cewar masu binciken Kaiser Permanente.

An buga binciken lura a cikin al'amuran kan layi na yanzu na Haihuwar Toxicology.

Masu bincike sun yi bayanin cewa, an samu raguwar yawan nauyin haihuwa a yaran da iyayensu mata ke fuskantar matsalar BPA kai tsaye a wurin aiki yayin da suke da juna biyu, sai kuma wadanda iyayensu suka kamu da karancin sinadarin BPA a wurin aiki, sai kuma wadanda suka kamu da cutar. Uwaye suna da bayyanar BPA ta hanyar bayyanar BPA mai girma na uba, kuma a ƙarshe, mafi ƙarancin raguwa a cikin nauyin haihuwa a cikin 'ya'yan da iyayensu mata suka sami BPA ta hanyar ƙananan aikin mahaifin.

Ko da yake binciken yana buƙatar tabbatar da ƙarin binciken, binciken ya ba da shaida na farko cewa bayyanar da mahaifa ga BPA a lokacin daukar ciki na iya haifar da mummunar tasiri ga girma tayin, in ji De-Kun Li, MD, PhD, babban mai binciken binciken, babban jami'in. marubucin sabon ɗaba'ar, kuma masanin cututtukan haifuwa da haihuwa a Sashen Bincike na Kaiser Permanente a Oakland, Calif.

An ba da rahoton bayyanar da BPA don rage nauyin haihuwa a cikin nazarin dabba a ƙananan matakan da aka kwatanta. Nazarin dabbobi da na ɗan adam sun nuna cewa BPA na iya wucewa ta shingen mahaifa kuma ana iya bayyana 'yan tayin zuwa irin wannan (idan ba mafi girma) matakan BPA kamar na iyaye mata, in ji masu binciken.

An gano yawan mutanen da aka yi nazarin ne daga wani babban bincike da aka yi kan ma'aikata maza da mata sama da 1,000 a masana'antu a kasar Sin. Ya kwatanta ma'aikata a BPA-bayyana wurare tare da ƙungiyar kula da ma'aikata a masana'antu inda babu BPA. BPA da aka fallasa (daga masana'antun BPA da resin epoxy) da ma'aikatan da ba a bayyana ba (daga masana'antu ba tare da bayyanar BPA ba), gami da matansu da zuriyarsu, an ɗauke su daga 2003-2008.

Uwaye a cikin rukunin da aka fallasa uwar sun yi aiki na akalla watanni uku yayin daukar ciki. Masu binciken sun bayyana cewa mai yiyuwa ne zuriya a cikin wannan rukunin suna da mafi girman matakan bayyanar BPA a ciki fiye da waɗanda ke cikin sauran ƙungiyoyi. Ma'aurata na iyayen da aka fallasa, ko da yake ba a bayyana su kai tsaye ga BPA a wurin aiki ba, sun fi dacewa su sami matsayi mafi girma na BPA fiye da mata a cikin rukunin da ba a bayyana ba. Bayyanawa a cikin wannan rukunin na iya faruwa ta hanyar fallasa gurɓataccen tufafi, ta hanyar ziyarar wurin aiki tare da ma'aurata, da kuma kusancin zama da masana'antu, in ji masu binciken.

Wannan binciken shi ne na hudu a jerin jerin da Dr. Li da abokan aikinsa suka buga wanda ke nazarin tasirin BPA a cikin mutane. Nazarin farko, wanda aka buga a watan Nuwamba 2009 a cikin Oxford Journals' Reproduction, ya gano cewa bayyanar manyan matakan BPA a wurin aiki yana kara haɗarin rage aikin jima'i a cikin maza. Nazarin na biyu, wanda aka buga a watan Mayu 2010 a cikin Journal of Andrology, ya gano cewa ƙara yawan matakan BPA a cikin fitsari yana haɗuwa da mummunan aikin jima'i na maza. Nazarin na uku, wanda aka buga a cikin Haihuwa da Haihuwa, ya nuna cewa karuwar matakin BPA na fitsari yana da alaƙa da raguwar ƙwayar maniyyi, rage yawan adadin maniyyi, rage yawan kuzarin maniyyi da rage motsin maniyyi.

Cibiyar Kiwon Lafiyar Ma'aikata ta Amurka ce ta ba da kuɗin, wannan sabon binciken ya ƙara zuwa ga sabbin shaidun ɗan adam da ke yin tambaya game da amincin BPA, wani sinadari da aka ƙirƙira don samar da robobin da aka yi da polycarbonate da kuma resin epoxy da aka samu a cikin kwalabe na jarirai, kwantena filastik, rufin gwangwani. ana amfani da su don abinci da abin sha, da kuma a cikin kayan aikin haƙori.

Masu binciken sun yi bayanin cewa BPA wasu sun yi imani da cewa babban abin zargi ne mai kawo cikas ga dan Adam, mai yiwuwa yana shafar tsarin haihuwa na maza da mata. Wadannan binciken sun ba da shaidar cututtukan cututtukan da aka rasa yayin da Hukumar Kula da Abinci da Magunguna ta Amurka da sauran bangarori daban-daban na gwamnatin Amurka suka binciko wannan batu mai cike da cece-kuce.

Binciken da aka yi a yanzu an iyakance shi da ƙananan ƙananan samfurin a cikin ƙungiyar da aka fallasa. Saboda yanayin da aka yi nazari na baya-bayan nan, an yi amfani da ƙididdigan matakan nunawa a baya, maimakon matakin BPA na fitsari na uwaye, don rarraba nau'in bayyanar cututtuka a lokacin ciki mai ciki. Ko da yake masu bincike sun nuna cewa an danganta bayyanar da BPA da aka kiyasta tare da BPA na fitsari na yanzu, har yanzu yana yiwuwa cewa haɗin kai tsakanin bayyanar BPA da nauyin haihuwa ya yi tasiri saboda rashin daidaituwa na nau'in bayyanar BPA.

Shahararren taken