['Bleeding or leaking fluid from the vagina.', 'Blurry or impaired vision.', 'Unusual or severe stomach pain or backaches.', 'Frequent, severe, and/or constant headaches.', 'Contractions, where your stomach muscles tighten, before 37 weeks that happen every 10 minutes or more often.', "Decrease in baby's movements after 28 weeks.", 'Dizziness.']