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懷孕初期飲食應(yīng)注意 懷孕早中晚期的飲食推薦(4)

出處：媽媽育兒網(wǎng) 日期：2011-06-12 22:47:06 編輯：admin

PART2 準(zhǔn)媽媽營養(yǎng)過猶不及 許多準(zhǔn)媽媽一旦發(fā)現(xiàn)自己懷孕后，就開始擔(dān)心自己是否缺這缺那，擔(dān)心寶寶的營養(yǎng)不夠齊全。在她們看來，只要是對胎兒有幫助的東西，都應(yīng)該盡量的吃，這樣才不會讓自己肚子里的寶寶輸在身體發(fā)育的起跑線上。其實，有些營養(yǎng)補充太多也不好。準(zhǔn)媽媽吃得過多，補得過頭，到頭來倒霉的還是肚子里的小寶寶。更何況有些孕婦只是自己不斷變胖，肚子里的寶寶卻沒享到多少"福"。

那么，一些營養(yǎng)過量，會帶來什么樣的不良后果呢？ 維生素過量 孕婦若每天服用超過一萬單位(I.U.)的維生素A，則有1/4機會造成胎兒畸形，如先天性心臟病以及眼睛、顎裂、耳朵的畸形，另外有1/4機會造成智障。若維生素D補充過多（每日超過15毫克），容易造成孕婦的軟組織的鈣化。 補鋅過量 如果準(zhǔn)媽媽對于鋅的補充超過每日45毫克，容易造成早產(chǎn)。 鐵的補充要謹(jǐn)慎 建議孕婦在懷孕3個月以上時再補充鐵。

一般來說，孕婦每天補充30毫克鐵即可（除非有嚴(yán)重貧血），服用鐵劑應(yīng)在空腹時且不要同時服用鈣及鎂，因為鈣、鎂會抑制鐵的吸收。 水果過量 許多準(zhǔn)媽媽為了生個健康、漂亮的寶寶而拼命吃水果，甚至還把水果當(dāng)蔬菜來吃。她們都相信：吃水果多多益善。 其實，水果并不能代替蔬菜。水果中的纖維素成分并不高，但是蔬菜里的纖維素成分卻很高。有些水果中糖分含量很高（如西瓜、葡萄等），攝入過多，可能引發(fā)妊娠糖尿病。 上了年紀(jì)的人殊不知多吃水果可能導(dǎo)致準(zhǔn)媽媽患上妊娠糖尿病。 過度飲食，體重超標(biāo) 懷孕不是生病。

一些準(zhǔn)媽媽把自己當(dāng)成了長期病號，在懷孕的280天里，吃得太多、太好，而運動又太少，結(jié)果造成體重大大超標(biāo)。 準(zhǔn)媽媽超重帶來的后果是不可輕視的，不僅在孕期會造成孕婦并發(fā)癥增高，不利于胎兒成長，在分娩時，也會有困難。 準(zhǔn)媽媽提醒 根據(jù)個人體質(zhì)補充營養(yǎng) 大多數(shù)準(zhǔn)媽媽都是健康的。

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