The lady should take the proper balanced diet at the time of pregnancy with proper and adequate amount of nutrition. The diet must include the carbohydrates, proteins, all vitamins and minerals essential for the mother.
The deficiency of the nutrient can cause abnormal development of the infants. The main function of the folic acid is the proper development of brain and reduce the risk of the development of spina bifida. The deficiency of folic acid must be cured properly.
So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.At a 50 percent exertion level, your target would be 50 percent of that maximum, or 85 beats per minute.
