Elsewhere, amid much speculation over the impact of Donald Trump's re-election victory last week,
Sir Alec said both girls and boys should learn about all aspects of reproductive health."I think if more women are aware of the potential problems they may have from a young age, then I think that will actually go a long way to relieving some of the suffering that occurs with this terrible disease," he added.
Mathilde Barker, 20, from York, said she first noticed "awful back pain" when she was 12.However, she never made the connection between the pain and her menstrual cycle and believed it was due to muscle strain."I saw physios and osteopaths for my lower back and pelvic pain, little did I know it was actually the start of my endometriosis," she said.
Ms Barker, who is training to become a professional dancer, was in and out of doctors appointments until her diagnosis aged 19."I had symptoms like loss of appetite, lightheaded dizziness and low mood," she said.
She continued: "I developed depression and anxiety, I was medicated and sent to cognitive behavioural therapy for medical anxiety."
Ms Barker described the pain as "excruciating" despite various medication and acupuncture remedies.Jersey Golf named her Ladies & Junior Player of the Year last year after achievements like winning the Junior Island Championship.
Darren Attwood is a trustee at the charity, which was founded in 1984 following an exhibition match involving US golfer Jack Nicklaus.Attwood said golf was "like no other sport" and it gave "life skills" to young people, teaching them patience and dedication.
He added: "To see these guys get to that level of golf and we know the trust has helped them get there is really rewarding."The charity was started to help find the next big star from Jersey, after islander Harry Vardon won The Open six times as well as winning the US Open once.