Noted for her stamina and swift court coverage, her peak years were the late 1960s and the early 1970s.

Among other titles, she won the World Invitational Championships held in Glasgow, in 1971 in both singles and doubles, the prestigious All-England singles title in 1968 and 1971;[1] the Danish Open in 1968, 1970,[2] and 1972; the U.S. Open in 1972 and 1973;[3] and the European Championships in 1970.

During the latter part of her badminton career, Twedberg married the Northumberland county and England badminton internationalist Elliot Stuart and represented Northumberland.

Their marriage was held in Newcastle upon Tyne on 18 August 1973.

[5] She gave birth her son Kristian on 6 December 1974 in Chesire in the North of England.