Negative ions such as chloride, bicarbonate and sulfate are called anions. That's pronounced 'an' ions. The common electrolytes that are measured by doctors with blood testing include bicarbonate, chloride, potassium and sodium. The functions and normal range values for these electrolytes are described below.
Generally, signs of early pregnancy are more subtle. Hormones due to pregnancy may start to take effect from about 10 days from conception, and the symptoms tend to become more intensified as the level of hormones gradually increase.
These symptoms can occur as early as two weeks after ovulation. Other, more common, pregnancy symptoms to watch out for will manifest closer to six or seven weeks' gestation, and include nausea, vomiting and severe fatigue.