So my daughter is 15 months old and I have been on birth control for a year but I'm paranoid that I…

So my daughter is 15 months old and I have been on birth control for a year but I'm paranoid that I may have gotten pregnant since no birth control is 100%. I want to have more kids in the future but right now we are both full time students and work part time so we aren't financially ready to have another baby right now. I'm taking a test in the morning and whatever happens God is in control and will bring us through it!