Living essentially off-map makes it tough to get a bank account, register to vote, apply for a job or even receive a letter. But for women in many parts of South Africa, the lack of reliable addressing puts their very lives at risk.

The maternal mortality rates in South Africa remain stubbornly high. Of 1.1 million births a year, 34,000 babies die, and more than 1,500 women lose their lives each year in childbirth.

Dr Coenie Louw is the regional head of the charity Gateway Health, which is concerned with improving those mortality statistics. Louw came across what3words, the innovative British technology that, among many other things, neatly solves the question of how an ambulance might quickly find a pregnant women in need.

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