Chnaging fields

⭐️MerFerret⭐️ • Beagle mama • Lupus & Fibro • 🏳️‍🌈 bi
I'm about 3/4 of the way through my bachelors degree, and trying to work in my field (preschool teaching) and found that it's too demanding with a condition I have. Now I'm looking into a certification into Health Care Informatics. 
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I'm not entirely sure what it is, but it was suggested to me. I'm going to meet with a counselor at our community college as soon as I can (they have all the certification programs). Does anyone work in this field? Also, it's strange because I'm going to need to be the sole provider for my household in a year since my husband will be starting an intensive program that he can't work during. I'm trying to find something that I'd enjoy, be good at, and be able to make good money in with a quick amount of training.
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I feel so weird switching my field so drastically so far into my program, but I just don't see myself being able to complete this program with all of the student teaching I have to do in the final year.