Suggest Treatment For Infertility

hi doctor, i am married girl and my age is 26 years and my husband is 30 years old, we are trying for a baby from last 1year, But we unable to concive, my all reports are normal and my husband's reports are also normal. but my doctor told me that my egg size is not growing everymonth. I take ultrasound of everymonth to check my egg size but it grows only 10-12 size. pls guide me what i should do. i am very tense about my pregnancy. i want to be pregnant as soon as possible.