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中國育兒網 › 中國育兒網 ›育兒熱點› 母嬰用品 › 查看內容

孕婦鈣片選購提示

2007-10-30 09:48| 發布者: BB0123| 評論: 0|原作者: MAMACN |来自: 网络整理

鈣是構成牙齒和骨骼的重要材料，胎兒所需要的鈣通過母體獲得，即使母體缺鈣，胎兒仍然要從母體吸收一定量的鈣，母體缺鈣若沒能得到及時補充，嚴重時母體骨骼和牙齒就會疏松，引起腰痛、腿痛、手足抽搐及牙齒脫落等，更嚴重時可導致骨質軟化症，骨盆變形，造成難産。胎兒缺鈣會導致胎兒骨骼發育不良，引起先天性佝偻病。因此孕婦必須注意多食含鈣豐富的食物，及時補充鈣質，以防止嬰兒軟骨病。

　　孕婦補鈣首先宜從食物中獲取。含鈣較多且易吸收的食物：小魚、蝦米皮、牛奶、奶制品、芝麻醬、豆腐等。同時應多進行戶外活動，以保證有足夠的陽光照射，以使自己的皮膚産生吸收鈣所需的維生素D。
　　孕婦若鈣攝入不夠好就應該適量補充鈣片了。那麽選購時應注意些什麽呢？
（1）除了注意产品的生产日期、有效期限以及批号等外，还应注意钙片的体积则不宜大，否则易造成对胃肠的不良刺激。由于孕期胎儿的长大，致使中下腹膨隆，胃向上抬起，会影响食欲和消化，孕早期的妊娠反应也大大影响食欲。因此补钙剂量既要大，但钙片体积不易过大，这是选购补钙剂时应予以注意的。如有的补钙剂含量太低，一天需服十几片以上才能达到剂量显著不妥；
（2）有的钙剂服后其碱性太强、刺激胃部、中和了胃酸造成胃纳不佳应予避免；
（3）有的钙剂服后胃肠道胀气、大便不通，加重了孕妇的便秘和不适，更要注意。一般来说D柠檬酸钙比较理想。因为它可在空腹时摄入，剂量大，吸收率和生物利用度高，不会中和胃酸、不会引起胃肠胀气和便秘。

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