The latest figures released by the UN mission show that 1,343 people were wounded during the first three months of 2016. Compared to the same period in 2015, civilian deaths are down by 13 per cent but the number of wounded has risen by 11 percent.
The highest number of casualties resulted from civilians being harmed during ground fighting, the UN report said, adding that intensified fighting in populated areas caused a nearly 30 per cent increase in child casualties and a 5 percent increase in casualties among women.
"Failure to respect humanitarian obligations will result in more suffering in a nation that has suffered enough." he added.
The UN said 60 per cent of casualties were caused by "actions by anti-government elements," apparently referring to the Taliban. The insurgents have denied previous allegations of targeting civilians or putting them in danger.
The report said 19 per cent of casualties were caused by pro-government forces, while 16 per cent could not be attributed to a specific party.