List of dynamic tests
Purpose
To investigate interstitial (Leydig) cell function in boys.
Product
Chorionic gonadotropin Endo®, 1500 IU vials.
Dose
3 vials containing 1500 IU by IM injection.
Protocol
- Sample (dry or EDTA tube) at 8 a.m. on d0.
 - IM injection of 1500 IU hCG at 8 a.m. on d0, d2 and d4.
 - Sample (dry or EDTA tube) on d1 for the assay of oestradiol.
 - Sample (dry or EDTA tube) the day after the last injection (d5) for the assay of testosterone.
 
Samples
After centrifugation, draw off the plasma or serum and store at +4°C.
Assays
Testosterone and oestradiol.