%.Not having conceived after seven months is frustrating, but is well within normal time limits.There are many vitamin supplements sold for women who are trying to conceive but as long as you eat a healthy diet, there is no evidence they improve

GP Rob says: For the best chance of healthy sperm, a man shouldn't smoke or use recreational drugs. Ideally he should also refrain from consuming alcohol, or keep consumption to a minimum.Eating healthily is imortant, as sperm need vitamins A, C