What nutrisons needed to take to get normal size of the follicle to ovulate?

My follicle size is 10 to 12 mm after 12th day. It is not growing and ovaluating more than that in forcoming days...After my marrige i am getting irregular cycle and period date is 30 to 40 days late from my previous period..Can anyone tell me the suitable treatment and foods i have to add in my diet to improve my follicles.I want to get pragnant as soon posssible. Please help me....I am very much eagar and like to have a child. please help me any one....