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懷孕幾個月開始補鈣的黃金時間 醫(yī)生是這么說的

出處：媽媽育兒網(wǎng) 日期：2017-05-18 14:25:45 編輯：婧待花開

懷孕為什么要補鈣，懷孕幾個月開始補鈣，這些問題應該孕期的媽媽們都想搞清楚吧！有的孕媽認為，從日常的食物中補充鈣質就好了，不需要再吃鈣片了，而且對孕期鈣片的補充時間，是一點概念都沒有。

針對以上問題，我們覺得很有必要，在此為大家講解下孕期補鈣的相關知識。接下來會告訴大家懷孕為什么要補鈣，懷孕幾個月開始補鈣，及補鈣到什么時候。重點是孕婦該如何正確補鈣的知識。

懷孕幾個月開始補鈣

懷孕為什么要補鈣

1.懷孕中期即四五六這三個月每日需1000毫克，因為這個時期胎兒的牙齒和骨骼開始發(fā)育，孕婦對鈣的需要量增加了200毫克，懷孕晚期七八九這三個月每日對鈣的需要量達1200-1500毫克，該時期是胎兒牙齒和骨骼鈣化的最后時期,孕婦對鈣的需要量增加了400-700毫克，將近翻了一倍。

而飲食中攝入的鈣也就400毫克左右，加半斤牛奶含250毫克，最少還差550毫克的鈣，因此更需要服用鈣片來達到每日所需要的量，這樣才有利于胎兒牙齒和骨骼的鈣化。

2.哺乳期對鈣的需要量也要達到1200-1500毫克的鈣，也需要補充。

3.孕產(chǎn)期是女性的特殊生理時期，對鈣的需要量是非常大的，一般補鈣建議最好服用到哺乳期結束。

懷孕幾個月開始補鈣

孕婦補鈣，并不是越早越好，也不是越多越好。一般而言，孕婦大概孕4月左右開始，孕媽咪每天鈣的需求量逐漸增長為1000—1200毫克。這時每天飲食中所含的鈣量，已經(jīng)滿足不了寶寶的生長需要，因此其余所需的鈣，就要從含鈣食物或優(yōu)質鈣劑中攝取了。

當?shù)搅藨言泻笃?，是胎兒生長發(fā)育最迅速的時期，鈣每天要增加700毫克，孕媽咪應多進食含鈣豐富的食物。這時的胎兒生長速度開始加快，他需要鈣，而孕媽咪每天飲食中的鈣含量滿足不了他的要求，他就從孕媽咪的身體里“搶”，這個時期孕婦應根據(jù)自身身體情況進行營養(yǎng)搭配。

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