Share 'Qs people asked me on science and my replies to them - Part 126'
Q: How do doctors test whether an unborn baby has any diseases?
Krishna: The fetus is surrounded by amniotic fluid, a liquid much like water, in the mother's womb. Amniotic fluid contains live fetal cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about a baby's health before birth.
Amniocentesis is a prenatal test in which a small amount…
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