It’s day 13 of the cycle and India rides the first oestrogen wave and chats all things cervical mucus with the Gynae Geek Dr Anita Mitra from its texture to its many functions. Maisie Hill, author of Period Power, also joins India to discuss ovulation, the season ‘Summer’ and how to manage it. Credits: Presented by India Rakusen. Producer: Ellie Sans. Assistant Producer:Jorja McAndrew. Executive Producer: Suzy Grant. Original music composed and performed by Rebekah Reid. Sound design by Olga Reed. Special thanks to all contributors and audio diarists. A Listen production for BBC Radio 4 and BBC Sounds.