The definition of a skill is a talent or ability that comes from training or practice. 1  An example of skill is the capability to produce fine works of art.  An example of skill is basket weaving.
A normal WBC count is, as I wrote, anywhere and everywhere from 4.5 to 10.0 but during pregnancy those normal values can be between 6 and 16 in the third trimester and may reach 20 to 30 in labor and in early postpartum.
The reliable indication. As the embryo grows rapidly, HCG levels normally double every 2 to 3 days. Thus, one reliable sign of a healthy pregnancy is the fact that the HCG levels are increasing rapidly, and often doctors may need to do 2 HCG levels 3 days apart in order to determine the viability of the pregnancy.uring the very early pregnancy, HCG levels are the only way of monitoring the pregnancy. HCG levels which do not increase as rapidly as they should may mean that there is a problem with the pregnancy-the embryo may miscarry because it is unhealthy; or the pregnancy could be an ectopic pregnancy.