During the period of October 1st, 2016 to December 14, 2016, the Damascus Center for Human Rights Studies (DCHRS) documented 1753 civilian victims, who were killed in Aleppo by Russian and Syrian regime forces. Among these civilians, there were 243 children and 120 women at a ratio of 14% and 9% respectively. As of December, extrajudicial killing began to take place and the number of victims that DCHRS was able to document is 82 victims.
Source: Damascus Center for Human Rights Studies. “Statistical Analysis of Aleppo’s Victims During Oct 1, 2016 to Dec 14, 2016”.
Warning: while the page referenced features charts and graphs detailing casualties and the causes of mortality, it also provides earlier and horrific images of the victims of war, many of them children.
The screen capture provides one example of charting available, which is larger on the page referenced.
http://thehill.com/blogs/pundits-blog/foreign-policy/316485-trump-needs-a-new-approach-to-syria-bottom-up-defense – 1/27/2017.