Kristina had always struggled to track her fertility. Stress and travel made her cycles irregular so ovulation tests and temperature methods did nothing to reveal her fertile window. When she refused to “fix” her cycles with birth control, a fertility specialist suggested she track her vaginal fluids. Then, she learned there was no technology to help. Now, Kristina has created the world’s first intuitive, stress-free fertility tracker that quickly and easily monitors cervical fluid. Fertility is not only good for making babies. In reality, it's the rhythm of our being, our fifth vital sign.