天气预报15天查询> 其他> 什么是双顶径

什么是双顶径

更新时间: 2020-11-06 00:00:00     

双顶径是指胎儿头部两侧顶骨隆突间的距离,即与胎儿颅中缝垂直的径线中最宽的距离。

医生常常用双顶径来观察孩子发育的情况,判断能否有头盆不称,顺利分娩。孕足月时应达到9.3厘米或以上。按一般规律,在孕5个月以后,基本与怀孕月份相符,也就是说,妊娠28周(7个月)时BPD约为7.0厘米,孕32周(8个月)时约为8.0厘米,以此类推。

关键词: 什么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1849949/ | 耗时:0.0605 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1849949 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1849949 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1849949 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1084017,1056968,1066872,1109607,1112702,1048788,1084873,1111504,1079063,1110067,1078797,1087579,1103540,1094615,1077984,1096685,1073218,1077348,1090150,1078414,1096751,1051917,1100364,1074340,1080086,1053404,1105759,1065107,1066362,1098219) ORDER BY field (ArticleID,1084017,1056968,1066872,1109607,1112702,1048788,1084873,1111504,1079063,1110067,1078797,1087579,1103540,1094615,1077984,1096685,1073218,1077348,1090150,1078414,1096751,1051917,1100364,1074340,1080086,1053404,1105759,1065107,1066362,1098219)