Keep track of your menstrual cycles with Period Calendar. It tracks your periods, cycles, ovulation and the chance of conception. Period tracker helps both women looking to conceive. Period Tracker is useful, whether you have irregular periods or regular periods. It can track your chance of pregnancy every day. You can also record your cervical mucus, BMI, sexual activity, weight, temperature, symptoms or moods. Think of it as your personal period diary. It will help you get in shape, lose weig