Begin testing near the end of the 41st week of pregnancy.Antepartum testing consists of the nonstress test (NST) combined with the amniotic fluid index (AFI) twice weekly.是什么意思_Begin testing near the end of the 41st week of pregnancy.Antepartum testing consists of the nonstress test (NST) combined with the amniotic fluid index (AFI) twice weekly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句