Stefania Winifred Siedlecky AM (25 March 1921 – 24 June 2016) was an Australian medical doctor who was influential in the development of the family planning movement in New South Wales.
[2] In 1971 she joined Family Planning New South Wales and in 1974 helped establish the Leichhardt Women's Health Centre and the Preterm Foundation, initiatives which provided safe legal abortion.
[1] In 1978 she completed a master's of science degree in medical demography at the University of London, funded by a World Health Organization scholarship.
[1] Siedlecky retired from government advising in 1986 but continued to play an active role in women's health initiatives.
[1] In 1990, with co-author Diana Wyndham, she published Populate and Perish - Australian Women's Fight for Birth Control.