Testosterone reduction could affect Caster negatively

Sascoc says the IAAF's new female classification regulations have no place in South Africa or international society.

JOHANNESBURG - South Africa's golden girl Caster Semenya is fighting for her career in a massive court battle.

Semenya is opposing the International Association of Athletics Federations newly-proposed regulations.

READ: IAAF hits back at Semenya to be classed as 'biological male': reports

The Federation wants female athletes with an unnaturally high testosterone level to take drugs to reduce these levels.

The head of Endocrinology at Chris Hani Baragwanath Hospital, Dr Sindeep Bhana, said testosterone is found in male and female human beings and while testosterone may affect performance in some sports, it is not the only factor.

READ: Semenya takes gender rule challenge to sports court

Bhana also stated changing the hormone levels of an athlete will have an effect on her mood, cognition, and life outside of sport.