please,i need an urgent answer because am no more my self.i did my blast transfer on 25/04/2009.and became pregnant with hcg of 1113 and then an ultrasound when i was 8 weeks today but my dr said she saw the gestational sac,fetal pole,yolk sac and a heart beat but my baby is not developing the way it should as it measured 6 weeks.she told us to come back next week.please what does this mean.and besides am not feeling any pregnancy symptoms since i concieved bt only fatigue and sleeping.