Patient : I have been on birth control for many years. I am never late with a period except this time, i am 8 days late and took 4 pregnancy tests which all came out negitive. I have had cramping but no period. I have had lower back pain as well. What could be causing this?
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.