<prompt> A pregnant woman who underwent syphilis testing showed positive results for VDRL but negative for specific treponemal tests. Interpret the resultsPositive for syphilisBiological false positiveFalse negativePositive for non pathogenic Treponema  <response>: Pregnancy can give rise to false-positive VDRL. BFP biological false positive reactions is defined as positive reactions obtained in non-specific treponemal tests RPR, VDRLwith negative results in specific treponemal tests, in the absence of past or present treponemal infections and not caused by technical faults. Chronic Biological False Positive reactions are seen in SLE Leprosy Malaria Relapsing feve r Infectious mononucleosis Hepatitis Tropical eosinophilia Reference: Ananthanarayan and Paniker;s Textbook of Microbiology Tenth edition 