I can't connect to pregnancy. Help

I had an abortion due to being in an abusive relationship in October. Since then I started dating my best friend and we got engaged. And now I'm pregnant with my fiancé. And I don't feel like I did before. I'm not connected to the baby. 
I'm so scared. And I think part of it is guilt because I didn't want the abortion. I was pressured into it by my family and I've been struggling with it ever since. 
Now that I'm pregnant again I'm moody and I feel like I'm never going to be excited about my pregnancy and what if I never feel excited. Evenafter  the baby is born. I want his baby and I want to feel connected but i don't know how. 
Please help. I'm scared. And now I'm just wondering if I'm not meant to be a mom  but I've always known I wanted a big family and i am a daycare teacher because I'm great with kids. 
I'm so scared. Please help 

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