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.
However, the exact timing of these symptoms will differ from woman to woman. The early signs of pregnancy can be roughly split up into the following two phases: 4-6 weeks - signs of successful fertilization and implantation. 6-12 weeks - signs of a developing embryo.