Kōrero: Contraception and sterilisation

Māori women used poroporo (Solanum laciniatumand S. aviculare) shrubs as contraceptives. They boiled leaves and drank the broth about a week before menstruation. The efficacy of the decoction as a method of birth control is not known. In Taranaki in the late 1970s and early 1980s, poroporo shrubs were grown for solasodine, a steroid used in contraceptives. When it proved cheaper to raise such plants overseas or use synthetic substitutes, poroporo was no longer cultivated in New Zealand.
Te whakamahi i tēnei tūemi
Reference: E-050-020
by Clelia L. Burton
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.
Me pēnei te tohu i te whārang
Jane Tolerton, Contraception and sterilisation – 19th-century contraception, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/artwork/26966/poroporo-plant (accessed 18 February 2026).
He kōrero nā Jane Tolerton, i tāngia i te 23 March 2011.