hi I am XXXXX, I have PCO with irregular cycles,my LMP was at 13\11\2012.Three dayes ago i did the pregnancy test and it was postive,when i went to the doctor and i did us. the gestational sac is intra uterine and meaure 28mmand the CRL is 15.6,the gestational age determined as 7 weeks but the is no noticeable fetal pulse with abdominal ultrasound ,,is this mean dead fetus?