5 live News - Natural Cycles: Can an app really prevent pregnancy? - ³ÉÈË¿ìÊÖ Sounds

5 live News - Natural Cycles: Can an app really prevent pregnancy? - ³ÉÈË¿ìÊÖ Sounds
Natural Cycles: Can an app really prevent pregnancy?
Chloe Tilley speaks to the app's chief technical officer, Elina Berglund, to find out.