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.
leviathan. ( 1 often initial capital letter) Bible. a sea monster. 2  any huge marine animal, as the whale. 3  anything of immense size and power, as a huge, oceangoing ship. ( 4 initial capital letter, italics) a philosophical work (1651) by Thomas Hobbes dealing with the political organization of society.