<prompt> A newborn baby presented with profuse bleeding from the umbilical stump after birth. Rest of the examination and PT, APTT are within normal limits. Most probable diagnosis is-Factor X deficiencyGlanzmann thrombastheniaVon willebrand diseaseBernard soulier disease  <response>: Ans. b Glanzmann thrombastheniaRef: Robbins 9thpg 660; 8thpg 670A newborn baby presented with profuse bleeding from the umbilical stump after birth.This is a case of severe inherited bleeding disorder. As PT apTT are normal, Glanzmann thrombasthenia is the most probable cause, which can present with profuse bleeding soon after birth;It can be diagnosed by platelet aggregation studies, which will be defective.The other differential diagnosis in this scenario is Factor XIII deficiency not given in the option 