What is High level of hCG is/are seen in all except : and explain in detail?
Answer- B. Neural tube defect'High level of hCG auld be detected in- multiple pregnancy, hydatiform mole, choriocarcinoma, Down syndrome,Plasma lower levels are found in ectopic pregnancies & in spontaneous aboion.hCG is producedby the syncytiotrophoblast of the placenta.