Thatcher retired from public life after a stroke in 2002 and suffered several strokes after that . Thatcher 's spokeswoman says she had a tube in her bladder removed . She is expected to be kept in the hospital overnight and is ` ` absolutely fine '' Thatcher , however , was Britain 's only female prime minister and held office from 1979 to 1990 .
Thatcher 's spokeswoman says she had a tube in her bladder removed . She is expected to be kept in the hospital overnight and is ` ` absolutely fine '' Thatcher , however , was Britain 's only female prime minister and held office from 1979 to 1990 .