The following description of twin pregnancy is correct:
A、Twogestationalsacscanbeseenunderultrasoundintheearlypregnancyofsinglechorionictwins;
B、Atwinfromafertilizedeggisasinglechorionictwin;
C、Twintransfusionsyndromemayoccurintwinchorionictwins;
D、Singlechorionictwinshaveplacentalvasculartransportbranches
发布时间：2025-08-19 21:10:02
