Can the hospital blood test be a false negative my husband and I are completely convinced im pregnant just 5 months after the birth of our first daughter. I am a breast feeding mom and have been on birth control and the other night my husband and I starte

See below. It is possible, but unlikely. Ask them to repeat the test.
If . If you are pregnant and feeling fetal movement, then that would make you about 3-4 months pregnant. If that is the case then at least one of those tests that you took should have been positive. Since you are concerned and convinced, you should see your primary care provider for a visit and a definitive answer via another blood test. Take care.