HELP! Pregnant 5 months PP

I just took a pregnancy test this morning and it was positive. My baby is only 5.5 months old. This was not planned and I am freaking out. This would be my fourth baby and I’m also 38 years old. My husband is not excited about this right now and I don’t know what to do. We are also Christian and abortion does not sit with me well. I’m just scared and nervous and very anxious right now. We are in a state of shock. I’m stressed out and need some words of advice or something to help me feel better. I don’t know…..