Hello. There are a number of variables that can influence a couple's chances of conceiving in any given month. If both you and your husband are fertile and in good health, there's a 15 to 25% chance of getting pregnant in each ovulatory cycle. If you look at things from a strictly statistical point of view, roughly 40% of couples conceive within the first three months of trying (which means having frequent, unprotected sex during the four or five days surrounding your ovulation date). 75% of couples will have conceived during the first six months of trying, and 85 to 90% of couples will have conceived within one year. Couples who cannot conceive within one year should consider a fertility
workup. (Many couples seek help at six to nine months, though, which is fine if you're getting anxious about your failure to conceive.) Having sex every day does not decrease your chances of getting pregnant.
I hope that helps, and good luck!