have i ds had missed mc last october 12 weeks 3 days pg today so for reassurane i bought bf510s doppler which states can hear from as early as 10 weeks & having a nightmare can anyone give me some advice please i use the doppler as instructed & at different points on my tummy i hear different beats & the bloody thing picks up different readings which is v confusing i also read that main artery runs through abdomen so doppler can pick this up so i wish now i hadnt bought the bloody thing as not reassured at all i can hear whoosing sound which i think i placenta but then all these different beats cant be my baby ive tied after food full bladder & all kinds please can someone help were at this stage should i place doppler on my tummy & is there anyway i can know if ab y heart beat cos according top this my hear beat is about 120+ which is high PLEASE HELP ME IM DRIVING DH ROUND TWIST.........