Pregnancy symptoms and negative test.

Patient: I have a child already and i know the pregnancy symptoms and i have a lot of them. when i was pregnant with my daughter i took test for 3 months and got negative test. can this happen to me again negative test for months? i feel like i am pregnant and what was supposed to be my menstrual cycle was way too light. i have taken 2 test already and both negative. so could i still be pregnant like i was with my first child?