Martina Navratilova her U.S. citizenship nor does she plan to do so, and that reclaiming Czech nationality was not politically motivated. Navratilova was born Martina Šubertová in Prague, Czechoslovakia. Her parents divorced when she was three, and her mother, an accomplished gymnast, tennis player, and ski instructor, moved the family to Řevnice. In 1962, her mother Jana married Miroslav Navrátil, who became her first tennis coach. Martina then took the name of her stepfather (adding the feminine suffix "ová"), thus becoming Martina Navrátilová (). Her father, Mirek (officially Miroslav Subert), was a ski instructor and remarried and divorced. When she was eight,
Martina Navratilova she had a ductal carcinoma in situ in her left breast, which she was informed of on February 24, and in March she had the tumour surgically removed; she received radiation therapy in May. In December 2010, Navratilova was hospitalized after developing high altitude pulmonary edema while attempting a climb of Mt. Kilimanjaro in Tanzania. When not playing tennis, Navratilova is involved with various charities that benefit animal rights, underprivileged children, and gay rights. She participated in a lawsuit against Amendment 2, a successful 1992 ballot proposition in Colorado designed to prevent sexual orientation from being a protected class. In