Unusual bleeding during pregnancy: report of a case due to hypoprothrombinemia and hypoproconvertinemia.

By S00NA S. SETNA .-5’NI) S. J. ALTMAN I T IS \VELL KNO\VX that deficiencies of prothrombimi and proconvertin can I)e the cause of serious bleedimig.’’ In addition to recognized causes of these deficiencies, su(’h as inadequate imitake, aI)sorption or utilization of vitamin K, cases of unrecognized cause may be emicountered.6 To date, an acquired idiopathic deficiency of these two sul)stamices in pregnancy has beemi reported in only one patient.7 It is our purpose to presemit the secomid.