What are the top three symptoms of pregnency otherthan missed period?

Sxs: Possible early pregnancy sxs: no period, breast swelling & tenderness w darkened areolas, thin, white & milky vaginal discharge, fatigue, ^ urination frequency, constipation, bloating, heartburn, backache, cramping, headache, food cravings or aversions, ^ sense of smell, enlarged waist, feeling faint/dizzy, mood swings,^ gas, insomnia, gagging & yawning. They may begin after missed period.