Scientists in Uganda have devised a tool to test for vaginal infections that is so simple, even a child could—and did—make one. In 2000, scientists at the Rakai Health Sciences Program in Kalisizo ...

The vagina is a slightly acidic environment, with a pH of less than 4.5. Higher pH levels allow bacteria and yeasts to thrive, which can result in bacterial and yeast infections. Vaginal pH tests ...