On a computer, the radiologist will watch the progress of the radioactive tracer through your body. In some cases, you might need additional imaging within 24 hours if original images aren't satisfactory. After the procedure. In most cases, you can go about your day after your scan. The small amount of radioactive tracer will lose its reactivity or pass through your urine and stool over the next day or two.
Amniotic Fluid Origin and Production. The fluid is produced by the motherâs placenta during the first trimester and the early part of the second trimester, until the babyâs kidneys are mature enough to take over the task.
fetal urine volume is balanced by fetal swallowing in amniotic fluid (increased from 1st trimester) Volume of amniotic fluid peaks. 3rd trimester (1000-1500 mL) (further influenced by fetal lung fluid) Regulation of amniotic fluid production. Supply from placenta, production fetal urine, production of lung fluid, swallowing and absorption into fetal circulation. Mother plasma exchange in amniotic fluid.