Eat healthfully. Avoid alcohol, caffeine & smoking; even decaffeinated coffee is associated with an increased risk of miscarriage. Avoid douching as is associated with reduced fertility. Check thyroid levels (free T3, T4, TSH) & thyroid antibodies. Rule out low adrenal function.
Men should avoid tea drinking (regardless of the caffeine content & follow the dietary principles above). Men should rule out heavy metal toxicity from occupational exposure.
For Males & Females :