Thyroid Hormone (TH) (Triiodothyronine and Thyroxine) hormone produced in the thyroid; increases metabolic rate, raises oxygen consumption, increases heat production, secretes growth hormone, promotes alertness, and grows skin, hair, bones, nails, and teeth. Calcitonin.
If you take a pregnancy test before implantation occurs, the test will tell you that youâre not pregnant (since the production of the hCG hormone has not started, this hormone will not be in your system, and the test will not detect it).
1 Testing too early. 2  If you test too soon after conception and before implantation, you may get a negative test result. 3  Also, if you test after the fourth month of pregnancy there is very little hCG in the urine.4  After menopause, go to the doctor for a blood test. Testing too early. 2  If you test too soon after conception and before implantation, you may get a negative test result. 3  Also, if you test after the fourth month of pregnancy there is very little hCG in the urine. 4  After menopause, go to the doctor for a blood test.