Chloride a major negative ion (anion) found inside of the cells and the blood. Chloride helps the body maintain its normal balance of fluids. Just like potassium and sodium, chloride can have fatal consequences when the increase or decrease is extreme. The normal serum range for chloride is 98 - 108 mmol/L.
Confidence votes 56. To see twins, it depends what kind of twins you are having. Faternal twins (Two (2)separate eggs that are both fertalized) can be seen on your first ultrasound, as early as 6 weeks or 4 week if your doctor orders a vaginal ultrasound.aternal twins (Two (2)separate eggs that are both fertalized) can be seen on your first ultrasound, as early as 6 weeks or 4 week if your doctor orders a vaginal ultrasound.
By 18 weeks, an ultrasound technician should be able to identify the sex if the baby is in a position that allows the genitals to be seen. If not, you may be able to find out the sex if you have another ultrasound later. Some people find out their baby's sex through noninvasive prenatal testing (NIPT). This is a blood test that can detect Down syndrome and a few other chromosomal conditions at 10 weeks of pregnancy or later.