Miscarriage is the spontaneous loss of a pregnancy before 20 weeks gestation, according to the Mayo Clinic. Miscarriage may result in low hCG levels. A pregnancy that fails to develop a placenta may not excrete higher levels of hCG.
Leviathan [(luh-veye-uh-thuhn)] A sea monster mentioned in the Book of Job, where it is associated with the forces of chaos and evil. Note: Figuratively, a âleviathanâ is any enormous beast.Note: Leviathan is a work on politics by the seventeenth-century English author Thomas Hobbes.
Word Origin and History for leviathan Expand n. late 14c., sea monster, sea serpent, also regarded as a form of Satan, from Late Latin leviathan, from Hebrew livyathan dragon, serpent, huge sea animal, of unknown origin, perhaps related to liwyah wreath, from root l-w-h-to wind, turn, twist. Of powerful persons or things from c.1600. Hobbes's use is from 1651.