<prompt> Thrombocytopenia, macerated skin lesions, rash and periostitis in a new born are seen inErythroblastosis fetalisCytomegalovirils infectionSyphilisHIV infection  <response>: In Syphilis, thrombocytopenia is often associated with platelet trapping in an enlarged spleen. Characteristic osteochondritis and periostitis and a mucocutaneous rash manifesting with erythematous maculopapular or vesiculobullous lesions followed by desquamation involving hands and feet are common. Reference : Nelson textbook of pediatrics 19th edition Page 1017 1018 