In the last third of the gestation period, 90% of fetal growth occurs.

Question

BlackTom AI · Accepted Answer

This statement concerns the distribution of fetal growth across gestation. The claim is that in the last third of gestation, 90% of fetal growth occurs.

To analyze, consider how fetal growth accelerates as pregnancy progresses. The final trimester is the period of most rapid growth for the fetus, with substantial increases in weight and organ maturation occurring during these weeks. While exact percentages can vary by source and methodology, many medical references describe the bulk of growth happening in the last trimester, often cited in the range around 70–90% depending on what is being measured (weight, length, organ development) and the population studied.

Option: If we accept 90% as a figure used in some educational texts or summaries, the statement would be regarded as True within those contexts, since it aligns with the general concept that the majority of fetal growth occurs in the final third of gestation.

However, it’s important to note potential variability. Some sources emphasize that precise percentages can differ—e.g., estimates around 70–80% for overall growth by weight or definitions that partition growth differently. This means the statement can be viewed as a reasonable generalization but may not be universally exact across all measurements or populations.

In summary, given the common teaching that the last trimester accounts for the majority of fetal growth and that 90% is within the upper end of typical estimates, the statement is considered True in many educational contexts, while recognizing that exact percentages may vary by source and measurement approach.

In the last third of the gestation period, 90% of fetal growth occurs.

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