<prompt> 25 years old 2nd gravida with B negative blood group reaches in labour room in full dilatation. All the following norms to be followed exceptCord blood to be saved in 2 l - plain EDTA lEarly clamping of cordAvoidance of manual removal of placentaLiberal prophylactic use of ergometrine  <response>: Use of ergot derivatives is contraindicated in Rh negative mother to avoid chances of feto-maternal micro transfusions. ref Katzung 12 th ed. 