Missed period. If you're in your childbearing years and a week or more has passed without the start of an expected menstrual cycle, you might be pregnant.
Tender, swollen breasts. Early in pregnancy hormonal changes might make your breasts sensitive and sore.
Nausea with or without vomiting. Morning sickness, which can occur at any time of the day or night, often begins one to two months after you become pregnant.
Increased urination. You might find yourself urinating more often than usual.
Fatigue. Fatigue also ranks high among early symptoms of pregnancy
Light spotting. Light spotting might be one of the first signs of pregnancy.