You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Raised beta-HCG levels are seen in:a) DMb) Preeclampsiac) Ectopic pregnancyd) Rh. Incompatibilitye) Down syndrome and explain in detail?
hCG levels:
Caught you, I know some of you must have instantly answered “Down’s syndrome”. But my dear friends read the question very carefully. It says decreased hCG levels and not decreased AFP levels.
hCG levels: