<video id="3pxxt"><dl id="3pxxt"></dl></video><dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"></dl>
<video id="3pxxt"><video id="3pxxt"><i id="3pxxt"></i></video></video><video id="3pxxt"><i id="3pxxt"></i></video>
<dl id="3pxxt"><dl id="3pxxt"></dl></dl><dl id="3pxxt"></dl>
<video id="3pxxt"></video>
<dl id="3pxxt"><dl id="3pxxt"></dl></dl> <video id="3pxxt"><i id="3pxxt"></i></video><nobr id="3pxxt"><video id="3pxxt"><delect id="3pxxt"></delect></video></nobr><video id="3pxxt"><i id="3pxxt"><i id="3pxxt"></i></i></video><dl id="3pxxt"></dl><video id="3pxxt"></video>
<video id="3pxxt"></video>
<dl id="3pxxt"></dl>
<dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"></dl>
<noframes id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl>
<noframes id="3pxxt"><dl id="3pxxt"><dl id="3pxxt"></dl></dl>
<dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"><i id="3pxxt"></i></dl>
<video id="3pxxt"></video><dl id="3pxxt"><delect id="3pxxt"><font id="3pxxt"></font></delect></dl><video id="3pxxt"><dl id="3pxxt"></dl></video>
<dl id="3pxxt"></dl><noframes id="3pxxt"><video id="3pxxt"></video><video id="3pxxt"><dl id="3pxxt"></dl></video><video id="3pxxt"></video>
<video id="3pxxt"></video>
<noframes id="3pxxt"><dl id="3pxxt"></dl><noframes id="3pxxt"><i id="3pxxt"><delect id="3pxxt"></delect></i>
<dl id="3pxxt"></dl>
<dl id="3pxxt"><delect id="3pxxt"></delect></dl><video id="3pxxt"></video>
<dl id="3pxxt"></dl>
<video id="3pxxt"><i id="3pxxt"><font id="3pxxt"></font></i></video><dl id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl></dl><dl id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl></dl>
<dl id="3pxxt"><delect id="3pxxt"></delect></dl>

首頁 > 新聞資訊

新聞資訊

如何正確判斷孕期羊水量?羊水少該怎么辦?
發布時間:2018-11-21瀏覽次數:1568

1、在妊娠期,羊水能緩和腹部外來壓力或沖擊,使胎兒不至直接受到損傷。

2、羊水能穩定子宮內溫度,使不至有劇烈變化,在胎兒的生長發育過程中,胎兒能有一個活動的空間,因而,胎兒的肢體發育不至形成異常或畸形。

3、羊水可以減少媽媽對胎兒在子宮內活動時引起不適感。

4、羊水中還有部分抑菌物質,這對于減少感染有一定作用。

5、在分娩過程中,羊水形成水囊,可以緩和子宮頸的擴張。

6、在臀位與足位時,羊水可以避免臍帶脫垂。

7、在子宮收縮時,羊水可以緩沖子宮對胎兒的壓迫,尤其是對胎兒頭部的壓迫。

8、破水后,羊水對產道有一定的潤滑作用,使胎兒更易娩出。

服務熱線:

83120823    83121294

郵箱:459036227@qq.com      地址:深圳市福田區下梅林金梅花園3棟4單元313室

Copyright   2013-2018 MUMWAY Corporation, ALLrights Reserved

亚洲国产成人精品女人久久久,国产精品特级毛片一区二区三区,白人极品少妇XXXⅩ做受,青春草在线视频观看
<video id="3pxxt"><dl id="3pxxt"></dl></video><dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"></dl>
<video id="3pxxt"><video id="3pxxt"><i id="3pxxt"></i></video></video><video id="3pxxt"><i id="3pxxt"></i></video>
<dl id="3pxxt"><dl id="3pxxt"></dl></dl><dl id="3pxxt"></dl>
<video id="3pxxt"></video>
<dl id="3pxxt"><dl id="3pxxt"></dl></dl> <video id="3pxxt"><i id="3pxxt"></i></video><nobr id="3pxxt"><video id="3pxxt"><delect id="3pxxt"></delect></video></nobr><video id="3pxxt"><i id="3pxxt"><i id="3pxxt"></i></i></video><dl id="3pxxt"></dl><video id="3pxxt"></video>
<video id="3pxxt"></video>
<dl id="3pxxt"></dl>
<dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"></dl>
<noframes id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl>
<noframes id="3pxxt"><dl id="3pxxt"><dl id="3pxxt"></dl></dl>
<dl id="3pxxt"><i id="3pxxt"></i></dl><dl id="3pxxt"><i id="3pxxt"></i></dl>
<video id="3pxxt"></video><dl id="3pxxt"><delect id="3pxxt"><font id="3pxxt"></font></delect></dl><video id="3pxxt"><dl id="3pxxt"></dl></video>
<dl id="3pxxt"></dl><noframes id="3pxxt"><video id="3pxxt"></video><video id="3pxxt"><dl id="3pxxt"></dl></video><video id="3pxxt"></video>
<video id="3pxxt"></video>
<noframes id="3pxxt"><dl id="3pxxt"></dl><noframes id="3pxxt"><i id="3pxxt"><delect id="3pxxt"></delect></i>
<dl id="3pxxt"></dl>
<dl id="3pxxt"><delect id="3pxxt"></delect></dl><video id="3pxxt"></video>
<dl id="3pxxt"></dl>
<video id="3pxxt"><i id="3pxxt"><font id="3pxxt"></font></i></video><dl id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl></dl><dl id="3pxxt"><dl id="3pxxt"><delect id="3pxxt"></delect></dl></dl>
<dl id="3pxxt"><delect id="3pxxt"></delect></dl>