19 and trying to conceive

I am 19 nearly 20 and I have wanted to be a mother for as long as I can remember, my periods have always been irregular but for the past 2 months they have came near enough the same time I know I am due to ovulate soon and I wanted to know if the chances of me getting pregnant high of me and my boyfriend of 3 years have sex every day for 5 days before ovulation, the day of and the day after