Nervous about a high risk pregnancy !

Just looking for some advice here. I am currently 9 weeks pregnant with my 3rd. My son came a whole month early, and my daughter came 2 1/2 weeks early. My doctor says she is sure this one will come early. So they are considering me high risk. I love her I’ve been going to her since I was 17 years old. She is recommending that I get steroids throughout the pregnancy because this will keep my cervix closed. While I want to do what is safest for the baby I am definitely more of a natural person and try to steer away from pills/pharmacutical things unless absolutely necessary. I feel my kids were ready, they were both natural and came home after two days lungs fully developed. I’m not sure what to do. If I opt out of the steroids I will need to go to more prenatal appointments to make sure my cervix stays closed. Which I would rather do. Has anyone dealt with anything like this before ? Any advice ?