In the 1971 Dutch general election, De Ruiter was not immediately elected but joined as a replacement on 11 April 1972. In the 1972 Dutch general election, De Ruiter was placed eleventh on the candidate list and was not elected. On 7 December 1972, she left the House.[1]
After her time as an MP, De Ruiter became a municipal councillor and alderman in Voorschoten on 3 September 1974. Due to other commitments, she sometimes arrived late and unprepared for meetings, which raised concerns about her performance. After less than a year, she resigned, feeling unsupported by her party.[1]
De Ruiter served on various boards, including the Council for Spatial Planning.[2] She accepted a request from PPR Minister Harry van Doorn[4] to chair the government commission for the International Women's Year (1975).[3][5][6] In 1979, she became the chairwoman of FIOM, an organization offering assistance for pregnancy and single parenthood.[2]
Personal life
She was the daughter of Kunera Gerwig and school principal Jo de Ruiter, who later became the CHU politician in the House of Representatives.