<prompt> KleihauerBetke test is used to detectFerning pattern in follicular phaseCephalopelvic disproportionFetomaternal blood leakSperm-cervical mucus interaction  <response>: Ans. c Fetomaternal blood leakRef: Oskis Pediatrics: Principles Practice, chapter 66; Dacie 11thpg 307Ring sideroblasts are not seen in sickle cell anemia, but in Sideroblastic AnemiaPeripheral smear finding in sickle cell anemia:Ansiopoikilocytosis, polychromasia, Increased Retie Irreversibly sickle RBCs and target cells increased after autosplenectomy.Howell-Jolly bodies due to asplenia. Q 