what are the symptoms of teenage pregnancy?
['A missed menstrual period.', 'Nausea or vomiting -- called "morning sickness," though it can happen throughout the day.', 'Sudden, intense aversion to certain foods, especially meats or fatty, fried foods.', 'Sore nipples or breasts.', 'Unusual fatigue.', 'Frequent urination.', 'Unusual mood swings.']