"During pregnancy estrogen levels exhibit severe increase, this phenomenon accounting for the symptoms of nausea and vomiting occurring in one-half or more of all pregnant women. If this condition is prolonged, hospitalization is required. Evacuation of the contents of the uterus results in immediate and dramatic relief of symptoms. In severe cases blood protein may be destroyed. Bodies of women who have died from this condition exhibit the symptoms of starvation, acidosis, dehydration and multiple vitamin deficiencies. The excess progesterone produced by the placenta causes fluid retention, increase in blood pressure, weight gain, irritability, lassitude, severe emotional tension, nervousness, inability to concentrate, and inability to sleep. At least 40 per cent of pregnant women have symptomatic edema, distorting the hands, face, ankles and feet. A woman’s lungs respire 45 per cent more air than normal in an attempt to obtain the needed oxygen, but oxygen absorbed is less than normal despite the extra effort of the crowded lungs. Because the conceptus utilizes almost twice as much calcium as the pregnant woman can assimilate from administered and dietary calcium, extra calcium must be drawn from a woman’s calcium stores, mostly from her long bones. Thus, the pregnant woman is likely to suffer leg cramps. In young women, permanent bone deformation results. Total loss of a woman’s iron stores during pregnancy and delivery is measured at 680 mg. Thus anemia of pregnancy is high and almost all pregnant women, especially those having repeated pregnancies, require supplementary iron. Efforts to correct this condition may fail because many pregnant women cannot tolerate iron supplements. With such extensive effects, can pregnancy be considered as merely a “natural” state of being?"