50 days B-ultrasound examination early pregnancy did not see embryos and heartbeat how to return a r

B-ultrasound examination before 6 weeks of pregnancy, if no fetal bud and cardiac pulsation, this is also a normal phenomenon, is one of the manifestations of early pregnancy, and does not represent poor embryo development. However, for women with regular menstrual cycles, if there is no fetal bud and cardiac pulsation after 6 weeks, it is necessary to be alert to the possibility of fetal arrest.