Rating Newest Oldest. Best Answer: It is unlikely that your certification is still valid. You usually have to update your certificate after 2 years of obtaining your certificate. I just recently obtained a certification in Phlebotomy and Electrocardiography, both of these certificates expire after 2 years for me. Mine are from the NHA.
by husband-wife households with one child average 25 percent more on the single child and expenditures by households with three or more children average 22 percent less on each child. Child-rearing expense patterns of single-parent households with a before-tax income less
Opinions vary among economists about the effects of population change on a nation's economic health. US scientific research in 2009 concluded that the raising of a child cost about $16,000 yearly ($291,570 total for raising the child to its 18th birthday). In the USA, the multiplication of this number with the yearly population growth will yield the overall cost of the population growth.