48 days B ultrasound intrauterine gestational sac, no fetal heart embryo bud

Generally normal female pregnancy 40 days to 50 days or so, you can find out that there is fetal heart and fetal bud inside the gestational sac, you still do not see fetal heart 48 days, fetal bud can wait another two days, if it still does not appear, consider that embryo development stops, at this time can not be treated, pregnant women can only seek medical treatment for abortion surgery.