In a healthy pregnancy your HCG levels should double every 48 hours. But when the pregnancy is not progressing the way it should as in the case of chromosomal abnormality your HCG may rise at slower rates or rise at first and then start to decline.
Definition of moot. 1 : a deliberative assembly primarily for the administration of justice; especially : one held by the freemen of an Anglo-Saxon community.
moot court. n. law school exercise in which students argue both sides of an appeal from a fictitious lawsuit in a mock court. There are also moot court contests between teams from different law schools.