After 1 year of marriage my wife not gated pregnent. we are much worried about this matter. please help us .

Do not stress: I would not stress too much at this point. This is a very complicated question. How often and when do you have relations? Are you timing it with your ovulatory cycle? Are you both in good health? Prior conceptions on both your parts? At this point speak to your Gyne or PCP about these issues to decide if there is an issue to be investigated, in the meantime have more sex!