Wow... that sounds pretty tough. Just take things one step at a time and take care of yourself! I don't know about you, but I'm very pro using childcare. It really gives you the much needed time that you need for to take care of yourself. If you need one, check out
http://www.myjambi.com/ there are a ton of babysitters there and you can find out aspects about their schedules and personalities before you even get in contact with them.