I missed my period and i am having pregnancy symptoms and i had a negative result on my blood test could i still be pregnant?

yes you could that's what happened to me i was having symptoms and took at blood test and pregnancy test and it all showed up negative but i just knew i was pregnant i mean lets face it you can tell by the belly if you are and a few months later my tummy got big and i went to the doctor and he did a test and it still said negative but the ultrasound showed different