Just thought i'd share, debenhams have their 5 pack of full briefs at 60% off (£2.80 per pack). I've just bought some for after my c section. They only have the bigger sizes left but they are such a bargain and apparently bigger is definitely better after a c section!
m.debenhams.com/webapp/wcs/stores/servlet/prod_10701_10001_158010302560_-1