Double and Triple test
The triple test was introduced during the 1980s when it was found that at the beginning of the second trimester the maternal age and three maternal blood parameters, alfa-FP, hCG and oestradiol enabled a 60% detection rate for Down syndrome. In the 1990s, it was discovered that a double test prezzo cialis 10 mg of different biochemical parameters like PAPP-A and free beta hCG enabled even higher detection rates.
