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.
Modus operandi (often used in the abbreviated form MO) is a Latin phrase, approximately translated as mode of operation. Modus operandi. It's Latin for mode of operation, meaning the usual way you do things, or the usual way things are done. A criminal has an MO, meaning he/she does the same things over and over.