孕妇,月经周期约30d。有停经史,末次月经及胎动时间记不清,无明显早孕反应。宫高测量:耻骨联合上子宫长度为26cm。听诊:胎心音良好。估计现妊娠周数为( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧