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What is the main difference in operation between the current NEXRAD Doppler radar and the dual-polarization radars of the future?
Amniocentesis
A medical procedure used in prenatal diagnosis, where a small amount of amniotic fluid is sampled from the amniotic sac around a developing fetus.
Amniotic Fluid
The protective liquid contained within the amniotic sac that surrounds and cushions a developing fetus during pregnancy.
Gestation Period
The duration of time between conception and birth in which an embryo or fetus develops inside the mother's womb.
Length of Pregnancy
Typically refers to the gestation period in humans, approximately 40 weeks from the last menstrual period or 38 weeks from fertilization.
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