天气预报 > 其他 > 预产期一般是多少周
预产期一般是多少周
更新时间: 2020-11-05 00:00:00  

预产期一般是40周,现在临床上,以月经周期28天算,从末次月经第一天开始算,整个孕期共为280天。

这是根据月经周期28天算的,如果月经提前或者延后,均需根据早期彩超胎儿及孕囊大小重新核算孕周,重新推算预产期。预产期不是精准的分娩日期,只有极少一部分孕妇在预产期当日分娩,这只是临床上判断分娩的大体时间。

关键词: 预产期 一般 多少

预产期一般是多少周相关经验

天气预报

最新推荐

页面:/news/view-1476314/ | 耗时:0.6879 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1476314 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1476314 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1476314 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1044673,1066622,1064861,1080116,1066564,1076059,1079950,1067617,1051425,1042893,1081420,1083341,1093152,1044426,1047321,1080444,1049174,1070330,1005452,1065083,1077695,1081699,1098219,1043355,1054136,1092308,1071905,1062959,1114456,1073041) ORDER BY field (ArticleID,1044673,1066622,1064861,1080116,1066564,1076059,1079950,1067617,1051425,1042893,1081420,1083341,1093152,1044426,1047321,1080444,1049174,1070330,1005452,1065083,1077695,1081699,1098219,1043355,1054136,1092308,1071905,1062959,1114456,1073041)