Assertion: amniocentesis's risk | /r/HasProperty | estimated by another study
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Source sentences:
text: For these reasons, this procedure is now considered quite safe; the risk of miscarriage has been estimated by one study to be about 1 in 400 and has been estimated by another study to be about 2–4 in 400; knowledge of miscarriage rates in individuals who do not have this test tells us that some of those miscarriages might have happened anyway even if the test was not done.
text: For these reasons, this procedure is now considered quite safe; the risk of miscarriage has been estimated by one study to be about 1 in 400 and has been estimated by another study to be about 2–4 in 400; knowledge of miscarriage rates in individuals who do not have this test tells us that some of those miscarriages might have happened anyway even if the test was not done.