About to start trying...

I'm waiting for AF to start (was supposed to come yesterday or today), and then I'm going to start my ovulation tests. I've been taking birth control for 8-9 years, but stopped in January and started prenatals. How hard is it to conceive on the first month or two of trying? I'm so excited to have those two lines, and I'm envious of my friends that are getting pregnant unintentionally all around me. I'm 24, and my hubby is 25.