What is the likelihood of becoming pregnant again on my first try?

So I had a chemical pregnancy in July of 2018, I wasn't trying for a baby or anything, it just happened. It only took once without a condom in my fertile week and BAM there I was because we used a condom every time before and after that one time. Well now I'm TTC and we waited too late this month so obviously nothing happened. But I'm wondering the odds of me becoming pregnant the first try again, considering it one time it took before. And I ask this because I keep reading articles where it took some people months if not years, and my heart really goes out to them. But I'm also worried if that will be my situation.

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