並前往https://teachingcenter1.pixnet.net/blog/post/353255459-%E5%A9%A6%E7%94%A2%E7%A7%91%E8%B6%85%E9%9F%B3%E6%B3%A2--%E8%83%8E%E5%85%92%E5%B9%B4%E9%BD%A1%E4%BC%B0%E7%AE%97%28estimate-of-fetal-age