My cycle is two months late but i have had two negative test?

Urine or blood?: Blood HCG can be more accurate than urine if you're in doubt. If this has been done and negative then other medical conditions may need to be considered as a cause of erratic cycles (thyroid or pituitary problem, polycystic ovarian syndrome, stress, anorexia among others). Recommend see doctor licensed in your area for consult as you may need tests run.

Missed periods: Reasons for missed /late periods: low body weight, obesity, marked weight gain or loss, over-exercise such as in endurance athletes, breast-feeding, stress, illness, eating disorders (bulimia or anorexia), travel, hormone irregularities, drug use, medications (i.e., birth control) or med problem (polycystic ovary syndrome or Asherman’s syndrome. #1 reason for missed period is pregnancy.