Abstract: @@ 孕妇,30岁,G1P0,33+2周,双胎(一胎儿发育正常,另一胎儿畸形),因正常胎儿胎动明显增多入院.孕期无患病服药及特殊接触史.妊娠24周彩色多普勒超声检查提示:双胎,单绒毛膜双羊膜囊.