Missed period
Light spotting or implantation bleeding
Breast tenderness or swelling
Nausea or vomiting
Fatigue
Frequent urination
Food cravings or aversions
Mood swings
Bloating
Mild cramping
Increased sensitivity to smells
Dizziness or lightheadedness
Elevated basal body temperature
Constipation
Backache
Darkening of the areolas