Natural Fertility and Wellness.com's article, Naturally Warmed Up: How To Raise Basal Body Temperature says, "Some signs of low BBT are cold hands and feet, chronic fatigue, constipation, low sex drive, abnormal menstrual cycles, hypoglycemia, to name just a few. However, this article suggests the more that you do the modern approach to treat this, dietary restrictions and lots of cardio exercise, the farther away you push yourself from a healthy metabolism. It is counter productive and worsens the underlying disorder. Also that when metabolism is low, fertility is poor. Some steps this article gives is eating as much nutritional food as possible, the less unprocessed the better. Get as much rest as possible. De-stress, 12 hours straight per day without a meal (so dinner at 7 pm, breakfast at 7 am), emphasize saturated fats over unsaturated, avoid vigorous exercise until temperature is where you want it to be." To ...