The fetus is about ______ at the start of the fetal stage.

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BlackTom AI · Accepted Answer

The question asks: The fetus is about ______ at the start of the fetal stage.
Option 1: 8 inches. This length is far larger than typical measurements associated with the very beginning of the fetal stage, which is typically much shorter. It would be more reasonable for an later stage rather than the start.
Option 2: 4 inches. While more plausible than 8 inches for a developing fetus, 4 inches still exceeds the commonly cited size at the very start of the fetal stage and may correspond to later fetal development rather than the initial start.
Option 3: 2 inches. This choice aligns with the common reference that at the start of the fetal stage the fetus is roughly around 2 inches in length, making it the most accurate of the provided options for the early fetal period.
Option 4: 12 inches. A length of 12 inches would indicate a much more advanced stage of fetal development, well beyond the start of the fetal period, and would be inconsistent with the earliest measurements.
In summary, options 1 and 4 overestimate the fetal length at the start of the fetal stage, option 2 is plausible but less accurate for the very beginning, and option 3 matches the expected size at the outset of the fetal stage. Therefore, 2 inches is the best-supported choice among the options.

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The fetus is about ______ at the start of the fetal stage.

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