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than 11.0 g/dl. An additional eight subj ect.s were admitted to
hospital following severe pos tpartum haemorrhage followed
presumabl y by anaemi a . One s Ubject was admit ted wi th severe
anaemia not attributed to haemor rhage . The prevalence of
postpartulll anae mia in the stUdy population was therefore
35 .1\.
Beca use pre-delivery haemoglobin was measured and a number
of subjects were found to be anae ni c prior t o delivery, the
"t rue " incidence of postpartum anaemia ca n be calculated for
study SUbje cts who were not pre viously anaemi c . or th e total
of 2 52 SUbjects who had both pre-delivery and postpartum
haemoglobin measured , 20 (7 . 9%) who were no t aneemdc pre­
par t um became eneeetc pos tpartum giv in g an in cidence of
pos t par t um a naemia as 79.4 pe r 1000 bi r t hs .
Of t he 109 SUbjects with postpartum a nemi a , 74 SUbjects
had had t heir pr e-delivery haemogl obi n levels measured . Of
these 74 subjects, 20 (27. 0t) were not an aemic prior t o
delivery ; the vas t majority of pa tients (73 .0 %) however had
p rev iously been anaemic .
When we also cons i de r t he S4 SUbjects who were found t o
be anaeadc bot h pre-partum and postpartum t he prevalence of
severe anaemia, i ncreased from 7. 4% pre-partum t o 18.5\
postpa rtum ; an incidence of severe anaemia after delivery 'on
previously mode r ately or mildly anaemic SUbjects of 120 per
1000 deliveries.