Patient : Can beta hcg blood serum test be negetive even if pregnancy occurs? is the test calculated on last menstrual period? what if bleeding occurs late and misunderstood as period will the test show negative level (less than 5)? will birth control pills cause test negetive?
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.