"Vaginal secretions" refers to the natural fluids produced by the vagina. It helps keep the vagina healthy by cleaning and protecting it. These secretions vary in amount and texture throughout the menstrual cycle. Full definition
Babies are first exposed to bacteria during birth; getting naturally coated in vaginal secretions as they're delivered actually primes their immune systems. (health.com)
Use the adequacy of vaginal secretions as your guide. (askdrhelen.com)
And you can start using symptom - based methods once you start having normal vaginal secretions again. (babycenter.com)