孕婦(fu)身邊的輻(fu)射源有哪(na)些?
電磁(ci)輻(fu)射已經成為繼大(da)氣污染(ran)(ran)(ran)、水污染(ran)(ran)(ran)和噪(zao)音污染(ran)(ran)(ran)后的(de)(de)第四污染(ran)(ran)(ran),很對(dui)(dui)孕(yun)(yun)婦朋友擔心(xin)電磁(ci)輻(fu)射會影響腹(fu)中的(de)(de)胎(tai)(tai)兒,對(dui)(dui)胎(tai)(tai)兒的(de)(de)生(sheng)長發育(yu)產生(sheng)危害。除了采(cai)取各(ge)種手段,比如穿孕(yun)(yun)婦防(fang)輻(fu)射服等方法防(fang)范輻(fu)射傷害,更對(dui)(dui)各(ge)類輻(fu)射源避(bi)之(zhi)唯(wei)恐不及(ji)。一直關注孕(yun)(yun)婦防(fang)輻(fu)射的(de)(de)問題,與孕(yun)(yun)婦朋友分(fen)享防(fang)輻(fu)射知識和科學的(de)(de)防(fang)輻(fu)射方法。本文將向(xiang)孕(yun)(yun)婦朋友們(men)展(zhan)示隱藏(zang)在我們(men)身邊(bian)的(de)(de)一些電磁(ci)輻(fu)射源,以便準(zhun)媽(ma)媽(ma)們(men)更有針對(dui)(dui)性的(de)(de)進行防(fang)范。
微波爐輻射
微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)產生的(de)(de)(de)電(dian)(dian)磁輻射在(zai)家用(yong)電(dian)(dian)器中高居榜首,對孕(yun)婦的(de)(de)(de)影響比(bi)較大。家庭使用(yong)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)時(shi)要注意:微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)不(bu)(bu)要放在(zai)臥(wo)室里;開啟微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)時(shi),人(ren)不(bu)(bu)要站在(zai)旁邊,等停(ting)止運行時(shi)再過(guo)去處理食(shi)品;微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)不(bu)(bu)用(yong)時(shi)要撥掉電(dian)(dian)源。孕(yun)婦盡量(liang)不(bu)(bu)要使用(yong)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)烹(peng)飪(ren)食(shi)品,因為烹(peng)飪(ren)食(shi)品要長(chang)時(shi)間近距離接觸(chu)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu),接受的(de)(de)(de)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)輻射量(liang)很大。但是(shi)(shi)(shi),也不(bu)(bu)是(shi)(shi)(shi)說孕(yun)婦就絕(jue)對不(bu)(bu)能使用(yong)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu),不(bu)(bu)是(shi)(shi)(shi)用(yong)來(lai)長(chang)時(shi)間烹(peng)飪(ren)食(shi)物,只是(shi)(shi)(shi)短時(shi)間使用(yong)的(de)(de)(de)話,微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)的(de)(de)(de)電(dian)(dian)磁輻射對人(ren)體的(de)(de)(de)影響還(huan)是(shi)(shi)(shi)有限的(de)(de)(de)。所以(yi)如果孕(yun)婦朋友(you)是(shi)(shi)(shi)穿著孕(yun)婦防輻射服,并(bing)且是(shi)(shi)(shi)短時(shi)間使用(yong)微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu),就可以(yi)在(zai)一(yi)定程(cheng)度上(shang)減少微(wei)(wei)波(bo)(bo)(bo)爐(lu)(lu)(lu)輻射傷害,那么還(huan)是(shi)(shi)(shi)比(bi)較安全(quan)的(de)(de)(de)。
X射線輻射
X射(she)(she)線(xian)是(shi)一(yi)種波長很短穿透能(neng)(neng)力很強的(de)電磁(ci)波,若(ruo)人(ren)體接觸X射(she)(she)線(xian)過(guo)多(duo),就有可(ke)能(neng)(neng)產生放射(she)(she)反應(ying),甚至受到一(yi)定(ding)程度的(de)X射(she)(she)線(xian)輻(fu)射(she)(she)傷害。但(dan)是(shi),科(ke)學的(de)防(fang)輻(fu)射(she)(she)知識告訴(su)我(wo)們,如果X射(she)(she)線(xian)量(liang)在容(rong)許范(fan)圍內,一(yi)般對(dui)人(ren)體影響(xiang)極小。對(dui)孕(yun)婦(fu)來說,如過(guo)量(liang)接受X光照(zhao)(zhao)射(she)(she),在懷孕(yun)的(de)早期(qi)會使胎兒畸形、流產及胎死宮(gong)內等的(de)概率提高。一(yi)般情況(kuang)下,對(dui)胸(xiong)部(bu)或四肢照(zhao)(zhao)射(she)(she),X射(she)(she)線(xian)輻(fu)射(she)(she)對(dui)胎兒的(de)影響(xiang)相對(dui)較小。愈接近預產期(qi),影響(xiang)也越小。所以,建議孕(yun)婦(fu)盡量(liang)少照(zhao)(zhao)X光,但(dan)也不是(shi)絕對(dui)不能(neng)(neng)照(zhao)(zhao),如果需要(yao)照(zhao)(zhao)一(yi)張(zhang)腹部(bu)X光片,對(dui)胎兒的(de)影響(xiang)并不會很嚴重。
電吹風輻射
在談(tan)到家用電器的輻(fu)射(she)時,大(da)家往(wang)往(wang)會(hui)忽略體積較小的電吹(chui)(chui)風,其實(shi)電吹(chui)(chui)風的輻(fu)射(she)可不(bu)小。電吹(chui)(chui)風確實(shi)是高輻(fu)射(she)的家用電器,特別是在開啟和(he)關閉(bi)時電吹(chui)(chui)風輻(fu)射(she)危(wei)害最大(da),且功率越(yue)(yue)大(da)輻(fu)射(she)也越(yue)(yue)大(da)。由(you)于(yu)電吹(chui)(chui)風使用時離(li)頭部較近,可能會(hui)引(yin)起(qi)中樞神(shen)經(jing)和(he)精神(shen)系統的功能障礙(ai),主要(yao)表現為(wei)頭暈、疲乏(fa)無力、記憶力衰退、食欲減退、失眠、健(jian)忘(wang)等亞健(jian)康癥狀(zhuang)。不(bu)過(guo),雖(sui)說電吹(chui)(chui)風輻(fu)射(she)很(hen)大(da),但是平時使用的頻次少、持(chi)續(xu)時間也短,對孕(yun)婦的實(shi)際(ji)影(ying)響(xiang)不(bu)大(da)。
電熱毯輻射
電(dian)(dian)熱(re)(re)毯通電(dian)(dian)后會產生電(dian)(dian)磁場,從(cong)而對人(ren)體產生電(dian)(dian)磁輻(fu)射(she)影響。這種輻(fu)射(she)可能影響孕(yun)婦(fu)(fu)腹中胎(tai)兒(er)的(de)細胞分(fen)裂,使其細胞分(fen)裂發生異常(chang)改變,胎(tai)兒(er)的(de)骨骼(ge)細胞對電(dian)(dian)磁輻(fu)射(she)也最為敏感。如(ru)果孕(yun)婦(fu)(fu)朋友經常(chang)使用(yong)電(dian)(dian)熱(re)(re)毯,長時間(jian)處(chu)于(yu)電(dian)(dian)熱(re)(re)毯輻(fu)射(she)當中,易(yi)使胎(tai)兒(er)的(de)大(da)腦、神經、骨骼(ge)和心(xin)臟等重要器(qi)官組織(zhi)受到(dao)電(dian)(dian)熱(re)(re)毯輻(fu)射(she)危害(hai)。因此, 出(chu)于(yu)對胎(tai)兒(er)的(de)健康(kang)考慮,建議孕(yun)婦(fu)(fu)不要使用(yong)電(dian)(dian)熱(re)(re)毯。
電腦顯示器輻射和電腦主機輻射
電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)顯示(shi)器和主機是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)輻(fu)射最大的兩個(ge)部件,是(shi)孕婦(fu)朋友議論(lun)最多(duo)(duo)電(dian)(dian)(dian)(dian)(dian)(dian)器之一,很對(dui)(dui)準媽(ma)媽(ma)都針對(dui)(dui)電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)顯示(shi)器和主機重(zhong)點防范。其(qi)實(shi),電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)輻(fu)射對(dui)(dui)胎兒到底有多(duo)(duo)大的影響目前還沒(mei)(mei)有定論(lun),但準媽(ma)媽(ma)能盡(jin)量少(shao)接觸少(shao)使(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)畢竟沒(mei)(mei)有壞(huai)處(chu)。孕婦(fu)朋友如(ru)果不(bu)(bu)得不(bu)(bu)使(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao),那么應該在(zai)操作電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)時與電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)顯示(shi)器和主機都保持足(zu)夠的距離,最好(hao)穿上孕婦(fu)防輻(fu)射服,并且不(bu)(bu)要在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)前久(jiu)坐(zuo),若是(shi)長(chang)時間使(shi)用最好(hao)經常(chang)起身休息。如(ru)果采取了上述的防輻(fu)射方法(fa),相信電(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)(nao)輻(fu)射對(dui)(dui)孕婦(fu)的危害(hai)會微乎其(qi)微。
鍵盤輻射及鼠標輻射
對鍵盤輻射(she)(she)(she)和(he)鼠(shu)標輻射(she)(she)(she)的認識一直都有爭(zheng)議,網絡(luo)盛傳鍵盤和(he)鼠(shu)標是(shi)電(dian)(dian)腦(nao)輻射(she)(she)(she)最大的兩(liang)個部(bu)件,但很多專(zhuan)家認為(wei)不(bu)科(ke)學。因(yin)為(wei)從(cong)理論上講,耗(hao)電(dian)(dian)量(liang)越大的電(dian)(dian)子產品產生電(dian)(dian)磁輻射(she)(she)(she)的幾率越高(gao)。在(zai)鍵盤、鼠(shu)標、顯示器、主(zhu)(zhu)機(ji)四者之中(zhong),顯然(ran)是(shi)主(zhu)(zhu)機(ji)和(he)顯示器更耗(hao)電(dian)(dian)。因(yin)此可(ke)以認為(wei)鍵盤和(he)鼠(shu)標的輻射(she)(she)(she)不(bu)大,只要控制好使用時間(jian),對孕婦的影響不(bu)大。
復印機輻射和打印機輻射
有電(dian)流就會(hui)產生電(dian)磁(ci)輻(fu)(fu)射,對于復印機(ji),輻(fu)(fu)射并不是主要的(de)(de)問題,合格的(de)(de)復印機(ji)輻(fu)(fu)射劑量一般都在(zai)國(guo)家允許(xu)的(de)(de)范(fan)圍。打印機(ji)的(de)(de)電(dian)子(zi)線圈(quan)和風扇部位輻(fu)(fu)射比較大(da)。這兩種電(dian)器(qi)孕(yun)婦偶爾使(shi)用問題不大(da),不過(guo)如果是處于擺放著很多復印機(ji)和打印機(ji)的(de)(de)辦公(gong)室,這兩種電(dian)器(qi)離孕(yun)婦的(de)(de)距離又較近時,建議準媽媽最好穿(chuan)上防(fang)輻(fu)(fu)射服,相信這種防(fang)輻(fu)(fu)射方法(fa)會(hui)比較有效。
電視機輻射
傳統的(de)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)顯示(shi)器是(shi)通(tong)過電(dian)(dian)(dian)(dian)(dian)子(zi)束撞擊熒光粉而顯示(shi),電(dian)(dian)(dian)(dian)(dian)子(zi)束在打(da)到(dao)熒光粉上的(de)一剎那間會(hui)產生電(dian)(dian)(dian)(dian)(dian)磁輻(fu)(fu)射(與傳統CRT顯示(shi)器類似)。相對傳統顯像管而言,液(ye)晶(jing)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)輻(fu)(fu)射量和等離(li)子(zi)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)輻(fu)(fu)射量就小(xiao)很多(類似于(yu)電(dian)(dian)(dian)(dian)(dian)腦LCD顯示(shi)器)。即便如此(ci),孕婦(fu)若是(shi)長期看(kan)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)也難免會(hui)受到(dao)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)機(ji)輻(fu)(fu)射的(de)影響。建議孕婦(fu)朋(peng)友看(kan)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)時(shi)最好與電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)機(ji)保(bao)(bao)持2米以上的(de)距離(li),減小(xiao)電(dian)(dian)(dian)(dian)(dian)磁輻(fu)(fu)射危害;另外(wai)需(xu)要保(bao)(bao)持室內有適當照明;連(lian)續看(kan)電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)時(shi)間不要超(chao)過兩(liang)小(xiao)時(shi);看(kan)完電(dian)(dian)(dian)(dian)(dian)視(shi)(shi)(shi)記得洗臉,及時(shi)地清理面(mian)部(bu)皮(pi)膚吸收的(de)輻(fu)(fu)射物質。
機場安檢輻射
很(hen)多孕婦(fu)都有(you)乘坐飛(fei)機的經歷,在做(zuo)安(an)檢(jian)時往往會忐忑不(bu)安(an),擔心機場安(an)檢(jian)輻(fu)射(she)(she)會對(dui)胎兒造成輻(fu)射(she)(she)傷害。其(qi)實,安(an)檢(jian)主要是通(tong)過電磁(ci)場的輻(fu)射(she)(she),對(dui)金屬物(wu)進行探(tan)測,電磁(ci)輻(fu)射(she)(she)量很(hen)小(xiao),一般不(bu)要持(chi)續6分鐘以上就不(bu)會對(dui)人體形成影響。
手機輻射
手(shou)(shou)(shou)機(ji)處(chu)于工作(zuo)狀態時(shi)(shi),會(hui)向(xiang)發射(she)基站(zhan)傳送(song)無線電(dian)波,而(er)(er)任何一種無線電(dian)波或(huo)(huo)多(duo)或(huo)(huo)少地都會(hui)被人(ren)體(ti)(ti)(ti)吸收,從(cong)而(er)(er)改變人(ren)體(ti)(ti)(ti)組(zu)織(zhi),有可能(neng)(neng)對(dui)人(ren)體(ti)(ti)(ti)的(de)健康(kang)帶來影響。手(shou)(shou)(shou)機(ji)輻(fu)射(she)雖然不(bu)高(gao),但是(shi)手(shou)(shou)(shou)機(ji)與人(ren)關系密切,是(shi)人(ren)們目(mu)前(qian)難以(yi)被替代的(de)常用(yong)(yong)設備,使(shi)用(yong)(yong)不(bu)當可能(neng)(neng)會(hui)產生(sheng)不(bu)良后果。手(shou)(shou)(shou)機(ji)信號(hao)剛接(jie)通時(shi)(shi),處(chu)在最(zui)大(da)輸(shu)出功(gong)率狀態,輻(fu)射(she)量也最(zui)大(da),所以(yi)在接(jie)通瞬間應將(jiang)手(shou)(shou)(shou)機(ji)遠離(li)頭部。孕婦朋友盡(jin)量不(bu)要隨(sui)身攜(xie)帶手(shou)(shou)(shou)機(ji),盡(jin)量少使(shi)用(yong)(yong)手(shou)(shou)(shou)機(ji)通話或(huo)(huo)發短信,若(ruo)是(shi)不(bu)得不(bu)使(shi)用(yong)(yong)時(shi)(shi)也不(bu)要持續很長時(shi)(shi)間使(shi)用(yong)(yong)。