5 live News - Natural Cycles: Can an app really prevent pregnancy? - ÃÛÑ¿´«Ã½ Sounds

5 live News - Natural Cycles: Can an app really prevent pregnancy? - ÃÛÑ¿´«Ã½ Sounds
Natural Cycles: Can an app really prevent pregnancy?
Chloe Tilley speaks to the app's chief technical officer, Elina Berglund, to find out.