the six year old been abused by his mom so its gonna be rough if he is banging his head and getting his lip spit you should take him the seek him to calm him down yall might or might not have the kids forever its up to the mom to get her act together and go to parenting classes if she want them back if not then after 2 years she lose all her rights to her children but they will adapt and you should take it easy being 5 months pregnant but the little one needs medication talk to his primary care doctor