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膽固醇高難懷孕？備孕如何對待膽固醇？

出處：網(wǎng)絡(luò)收集 日期：2024-07-10 10:53:16 編輯：秩名

在人們印象中，生殖系統(tǒng)異常等原因會影響女性受孕率，要是說膽固醇也會影響受孕率，是不是女性朋友們會覺得挺新鮮？可流行病學(xué)家們卻認真地告訴你，這是真的。
 
美國尤妮斯•肯尼迪•施萊佛國立兒童健康與人類發(fā)展研究所等機構(gòu)的流行病學(xué)家從不同地區(qū)收集了400余對想生育寶寶的夫婦數(shù)據(jù)，進行有關(guān)膽固醇與生育關(guān)系的調(diào)查。開始研究前，研究人員測量了每對夫婦的膽固醇水平，而追蹤顯示，在此后一年內(nèi)妻子成功懷孕的有347對，妻子沒懷孕的有54對。分析結(jié)果顯示，當(dāng)男女雙方或女方的膽固醇水平較高時，女性懷孕時間較長，但男性膽固醇水平的高低對自己伴侶受孕時間的長短沒有影響。簡單地說，與膽固醇水平較低的準(zhǔn)父母相比，膽固醇水平較高的夫妻需要更長的時間妻子才能成功懷孕。研究人員認為，人體需要膽固醇來生成包括睪丸激素和雌激素在內(nèi)的性激素，但膽固醇水平過高會讓這一生理過程完全失衡，因而才會影響到女性正常受孕。
 

膽固醇都不是好的嗎？

 
膽固醇是人體正常機能運轉(zhuǎn)不可缺少的產(chǎn)物，所以我們不可以簡單地說膽固醇都是壞的。那么，怎樣的膽固醇對人體有益呢？
 
壞膽固醇：低密度膽固醇
 
低密度膽固醇是壞的膽固醇，它們會引起氧化及發(fā)炎反應(yīng)，會對人們的血管造成破壞，是人們身體里的垃圾，越少攝入越好。
 
好膽固醇：高密度固醇
 
高密度膽固醇是好的膽固醇，它們是血管中的清潔車，會回收垃圾，清理血管。
 
當(dāng)然，好壞是相對的。正常范圍內(nèi)的膽固醇都是對人體有用的，都是好的膽固醇。所謂的壞膽固醇是說血中含量過高，則對人體有害。而即使是好膽固醇，血中含量超標(biāo)對人體也是有害的。
 

備孕期如何降低壞膽固醇含量？

 
1.、肉類攝入不要過量
 
肉類及奶類的油脂都屬于飽和脂肪酸，會增加膽固醇，尤其是壞膽固醇含量，因此，女性朋友可少吃肉類多吃些豆類食物，一來豆類本身即有降低膽固醇的功效，二來植物性食物本身便不含任何膽固醇。
 
2、減少反式脂肪酸攝入
 
植物奶油在甜品、面包中大量存在，此外，一些油炸食物如薯條等也含有反式旨肪酸，反式脂肪酸會增加體內(nèi)膽固醇含量，對健康無益。所以一些糕點、小食品等可能含有反式脂肪酸的食物要少吃。
 
3、多攝入可溶性纖維素
 
豆類，堅果，蔬菜，水果，谷類等都含有可溶性纖維素，可溶性纖維質(zhì)會幫助膽汁排出，使身體需要用掉更多膽固醇來制造膽汁，從而幫助人體消耗掉更多膽固醇。

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