On #MHDay, Alana Donaldson from WaterAid likens the struggle that many girls face in managing menstruation to climbing a foreboding mountain.
In the first of our mini blog series to celebrate Menstrual Hygiene Day (28 May), Dani Barrington offers her musings on menstruation.
In order to achieve Global Goal 6 - clean water and sanitation - John Garrett calls for more efficient spending in the WASH sector.
Emily Wilson-Smith, from Irise International, explains why good menstrual hygiene management is a key priority in the fight against gender inequality.
Polio has almost been eradicated worldwide, but "almost" isn't enough in this case. Akram Azimi & Dwain Burridge explain why polio should still be on the agenda.