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.
I found out by u/s at 6 weeks. I think 5-6 weeks is the earliest you can really know by u/s. As far as other ways, my hCG didn't really lead me to believe twins. It was 77 at 12dpo, then 1489 one week later... so pretty on par with doubling every 48 hours.