Welcome to the SR family!
You will find loads of support and encouragement here. Please make yourself at home by reading and posting as much as needed.
I agree with the previous posters that you don't have to solve all of this right away. Give yourself time to make clear choices for yourself and your children.
You already recognize what type of environment you want to raise your children in, and you also realize it may be up to you, alone, to provide this healthy environment. Good on you! You are a good mom!
There is loads of wisdom and some of our stories in the permanent (sticky) posts at the top of the forum pages. Here is one of my favorite posts:
http://www.soberrecovery.com/forums/...l-problem.html
You are not alone, and we are here to support you!
Wishing you a peaceful delivery and serenity!