I've had a pretty predictable cycle for most of my adult life. I'm currently working in a stressful field and doing my master's degree part-time. My period is officially 11 days late - I took a store-bought pregnancy test but it turned out to be negative. I'm heading to a doctor tomorrow but I can't sleep right now. What else could disrupt an otherwise boring menstrual cycle like mine except a baby. I am so stressed. Am i being dramatic by going to the doctor after one missed period?