8 Signs of Fertility to Look for Each Month Sign #1: A Positive Result from Your Ovulation Predictor. ... Sign #2: A Change in Your Cervical Mucus. ... Sign #3: Increased Sex Drive. ... Sign #4: Increased Sense of Smell. ... Sign #5: Lower Abdominal Pain. ... Sign #6: Change in Your Cervical Position. ... Sign #7: Breast Tenderness. More items...