19, my periods have been delayed for 10 days. for d first time its delayed for a such a long period. m worried. i have my exams tomorrow i can't focus.

Test: If your biggest worry with the delay in your period is that you might be pregnant, why not take a quick and easy home pregnancy test. You'll have an answer within minutes, and then hopefully you'll be able to concentrate and focus on your studies.

Delayed menses: Stress and anxiety can cause irregular or delayed periods. Other possibility is pregnancy.

Take a home : Pregnancy test. Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems (i.e. Pcos). #1 reason is pregnancy.