Purchase Qty. Reference FOB Price
10,000-99,999 Pieces US$0.09
100,000-999,999 Pieces US$0.08
1,000,000+ Pieces US$0.07
Product Description
HCG is a glycoprotein hormone secreted by the developing placenta during pregnancy. The concentration of HCG in serum is approximately equal to the concentration in urine. The concentrations of HCG in urine and serum continue to rise during the first trimester of pregnancy to as high as 100, ...