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s t atistically !li gnifica nt differences wer e noted in t he t ype
of delivery , t he mean duration of l abour, and t he mean bl ood
losses of the tw o groups . The a naemi c subjects had a longer
me an durat ion of labour 1 2 . 7 hours (SO ± 5 .6 hours } a s
co mpa r ed wi t h 11 . 3 hours (SO ± 6 .2 hours) i n non anaem i c
s ubject.s (p=O. D5). The pro portion of subjects with prolon ged
labour (gr eate r t han 24 hours ) did not, howeve r , diffe c
s i gni fica nt ly .
Mor e of the an aemic sub j ects had rece iv ed episi otomy
(32 . 3\ ) in t he managemen t o f t heir delivery, as c ompa r ed wi th
t h e non -anaemi c SUbjects ( 17 .9\) and the RR for peat.par -tun
anaemia if one had episioto my wa s 1. 6 (eI 1.2 t o 2.2 ) p=O.OOJ.
The mean bl ood lo ss in t he i mmediat e pos t partum period of
pe rsons with postpart um a naemi a a nd of t hos e with no
pos t partum an aeak e ....ere 266. 9 ml. (SO ± 150.4 ml.) a nd 213
ml.(SO ± 95 . 9 ml.1 re epe cctvel y (p=O.OOOJ) . However t he
difference i n th e proportions of s ubj ec t s wi t h pos t - partum
ha emorr hage was not stat istically significa nt in the t wo
groups, eve n t hough i t was a hi ghe r 8 .3 \ i n t he a naemic grou p
as compared to 4. 4% i n t hose with no a naemi a (p=0 .2 1) .
pre- delive r y haemoglob i n l eve l is ackn owl edg ed as th e
mos t impor tant determ in an t of pos t pa r tu m ana emi a . The mean
pre-d elivery haemog l obin leve l s of SUbj ects who had postpartum
a nae mi a was statistically d ifferent f ro m th at of th ose Who
were not anaemic pos t par t um, the l evel s bein g 10. 3 g/dl (SO ±