https://www.selleckchem.com/pr....oducts/thiostrepton.
Poor bioaccumulation was observed for Cr, Mn, Ni and Zn (0.01 ≤ TF less then 0.1), whereas in the case of Fe, Pb and Ti-trace bioaccumulation or no bioaccumulation was found (TF ≤ 0.01).Progesterone is a steroid hormone that is critical for implantation and maintenance of pregnancy, and low levels are associated with higher miscarriage risk. However, little is known about its trajectory during early pregnancy. We sought to determine the gestational age-specific normative values of serum progesterone on a week-by-week basis, and i