For both men and women, the ability to reproduce is dependent on a healthy body. Infertility itself can be extremely stressful. Stressing your body with intensive exercise can cause a decrease in fertility. Mental and emotional stress have the same impact. Try to eliminate the stress in your life as much as possible.
Alcohol consumption can prevent implantation of a fertilized egg.
Avoid vigorous exercise, hot tubs, and saunas, as they may lead to changes in ovulation. Do not take any drugs except those prescribed by your physician. Do not smoke, and avoid being around cigarette smoke. A balanced diet is important. Do not consume animal fats, fried foods, sugar, or junk foods.