The National Study of Family Growth has revealed that 31 % of women discontinue usage of reversible contraceptives for method-related reasons within six months of starting make use of, and 44 % do so within 12 months. The novel NES/E2 transdermal gel offers a potentially attractive contraceptive option, in that both the formulation and the active compounds are created to reduce the adverse events profile observed with current contraceptive strategies and could result therefore in higher continuation rates by users. According to Business Insights the contraceptive marketplace is projected to attain $7.5 billion by 2011. The Population Council is responsible for analysis on Nestorone and scientific trial design management and development..The crystals can accumulate when the physical body produces an excessive amount of or does not excrete enough of it. Excess uric acid can develop crystals or kidney stones that may harm the kidneys also. Why It’s Done Doctors may purchase a the crystals blood test if indeed they suspect high degrees of the crystals in the bloodstream as the body is wearing down cells prematurely or not expelling the crystals as well while it should. Some kids with leukemia or other styles of malignancy can have high degrees of uric acid .