Eat right and maintain a healthy weight.

You'll feel better and start your pregnancy off right if you eat a variety of nutritious foods every day. Avoid foods high in fat and sugar. Eat foods from each of the five food groups: fruits, vegetables, proteins (like chicken, fish and dried beans), grains, and milk products.

Cut back on caffeine. Limit the coffee you drink to no more than one 12-ounce cup of coffee each day. Remember, the amount of caffeine in coffee varies, depending upon the type of coffee, how it is prepared, and the amount of coffee used. Caffeine can also be found in soft drinks, medications and other foods. Try coffees and teas that are decaffeinated, or drink water, milk or juice. Be sure to read labels on food, drinks and medicine to know how much caffeine you're getting.

Try to get to a healthy weight before you get pregnant. If you're underweight (weigh too little), it may be easier to get pregnant if you get to a healthier weight. If you're overweight (weigh too much), try to lose weight before you get pregnant. Check with your health care provider if you're unsure what your ideal weight is. It's not safe to try to lose weight once you're pregnant.