hi, im abit new to this but ive been having sysptoms of pregnancy ive taken numerous of home pregnancy test but they are still showing up negative. I was told yesterday by my sister in law that my sister had the same problem with one of her pregnancys and that she had to seek medical advice, i am sadly unable to ask my sister these questions as she passed away 5 years ago is it possible for me to be pregnant but not produce enough of the hcg hormone? im abit worried about this and my stomach is gettin harder could anyone please give me some advice?