Does the ITF test for human growth hormone (HGH)?
No. Though a test for HGH is available, it’s still under consideration by many sports, including tennis. The first-ever positive test for HGH in the sports world came earlier this year, when British doping authorities obtained a positive test for a rugby player. The HGH test requires a blood sample, and HGH is not detectable in a person’s system for long after he or she takes it.