Testosterone is a hormone that increases muscle mass, strength and haemoglobin, which affects endurance.
A summary of sports events and persons who made news on Wednesday
The Olympic champion in women's 800m, feels sorry for Dutee Chand since the Indian, just like her, is facing a gender test row.
South African Caster Semenya's long and controversial reign as the queen of middle distance running looks set to be ended this year not by a track rival but by a new hyperandrogenism rule that will stop her from running 800 and 1500 metres races.
'Whoever is going to stop me from running is going to have to drag me out of the track'
The double Olympic 800m champion is challenging the sport's governing body, International Association of Athletics Federations (IAAF), over its decision to restrict testosterone levels in female runners.
Semenya has vowed to fight the regulations, but has already lost an appeal to the Court of Arbitration for Sport, and another subsequent plea to the Swiss Federal Tribunal (SFT) asking for the CAS ruling to be set aside.
Hot favourite Caster Semenya qualified for the women's 800metres semi-finals at the Rio Olympics with supreme ease on Wednesday and will no doubt be braced for another wave of discussions about her gender should she go on to take the gold medal on Saturday.
World champion South African runner Caster Semenya, whose victory has been overshadowed by a gender testing row, returned home to a heroine's welcome on Tuesday.
South Africa's ruling party leapt on Thursday to the defence of a World champion runner undergoing a gender verification test, saying she was the country's "golden girl" and a role model for young athletes. Caster Semenya, whose rapid improvement over last year prompted the test, won the women's world 800 metres title with a crushing performance in Berlin on Wednesday.
Caster Semenya put aside the controversy over a planned rule change in athletics regarding hyperandrogenism to win the women's 1,500 metres
Summary of sports events and persons who made news on Friday.
The London 2012 Olympics will be the first to have a set of guidelines for female athletes with excessive levels of male hormones, the International Olympic Committee (IOC) decided on Tuesday.
The rapid improvement of South African teenager Caster Semenya, who won the women's world 800 metres title, prompted track and field officials to order a gender verification test. Here are some details about sex testing, which was introduced more than 40 years ago.
Athletics Federation of India (AFI) has installed a special strength-building German machine for the use of the country's elite javelin throwers like Olympic-bound Neeraj Chopa and Shivpal Singh at the Netaji Subhas National Institute of Sports in Patiala.
Summary of sports events and persons who made news on Thursday
Summary of sports events and persons who made news on Thursday
Social media applauded the team for their excellent efforts, appreciating the mind behind the eye-relaxing visuals.
World Athletics (WA) banned transgender women from elite female competitions.
A summary of sports events and persons who made news on Friday
A summary of sports events and persons in the news over the weekend.
Sebastian Coe, the head of World athletics and twice Olympic champion over the distance, described the women's World 1,500 metres final won by Kenyan Faith Kipyegon on Monday as one of the best races he has ever seen.
Pendulum swings towards tighter measures against transgender athletes
A summary of sports events and persons who made news on Thursday
'An athlete is never tension-free,' India's champion athlete tells Rediff.com's Laxmi Negi.
Dutee Chand qualified for Rio Olympics in the women's 100m event after meeting the qualification mark at XXVI International Meeting G.Kosanov Memorial in Almaty.
A summary of sports events and persons who made news on Saturday
Jamaican sprinter Usain Bolt, who is set to retire after the World Championships in London next year, has been shortlisted for the 2016 IAAF World Athletes of the Year award.
Summary of sports events and persons who made news on Tuesday
Summary of sports events and persons who made news on Wednesday
Ethiopia's Almaz Ayana ran the second fastest women's 5,000 metres in history as she missed out on the world record by just over a second at the Rome Diamond League in Rome, on Thursday.
The 23-year-old world champion crossed the line in the Ras al-Khaimah half marathon three seconds quicker than the mark set by fellow Kenyan Florence Kiplagat in Barcelona two years ago, although the new record remains subject to ratification.
Usain Bolt ran under 10 seconds for the first time this year as he narrowly won the 100 metres at the Monaco Diamond League meeting on Friday.
A summary of sports events and persons who made news on Friday.
While Kapil is an academy member of the Laureus World Sports Awards along with Australian cricket legend Steve Waugh, Yuvraj has been invited in role of an ambassador.
Sun Yang was banned for eight years last Friday for missing an out-of-competition test in 2018, and Chad Le Clos, who lost to his rival in the 200-metres freestyle final in Rio de Janeiro four years ago, believes justice has been done.
Summary of sports events and persons who made news on Saturday
World champion Dafne Schippers was involved in a bizarre women's 200 metres at the Oslo Diamond League meeting on Thursday when the Dutchwoman false-started, was allowed to race and won, was then disqualified and finally reinstated.
A round-up of all the results from the 16th World Athletic Championships in London
A summary of sports events and persons who made news on Saturday
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