TEST RESULT ----------------------------------------------------------------- PREGNANCY TEST (ELISA) :- POSITIVE FOR HCG 1. In addition to pregnancy, HCG has been found in patients with both gestational and nongestational trophoblastic diseases; and in certain non trophoblastic neoplasms. 2. If urine sample is too dilute, it may not contain a representative level of HCG. 3. HCG levels may remain detectable for several weeks after normal delivery. 4. A very early pregnancy containing an extremely low concentration of HCG can give negative result. -----------------------------------------------------------------