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Fetal Development Milestones (9-16 Weeks)
Between the 9th and 12th week of the fetal stage, the sex organs begin to differentiate. By the 16th week, the fetus grows to about 4.5 inches in length, and its fingers and toes become fully developed, complete with visible fingerprints.
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Ch.9 Lifespan Development - Psychology @ OpenStax
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Introduction to Psychology @ OpenStax Course
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OpenStax Psychology (2nd ed.) Textbook
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Fetal Development Milestones (9-16 Weeks)
Fetal Brain Growth (Weeks 16-28)
Late-Stage Fetal Development and Viability (36-40 Weeks)
Fetal Hearing Development (20 Weeks)
Fetal Bone Development (32 Weeks)
Fetal Muscle Development (36 Weeks)
Full-Term Fetal Development (40 Weeks)
Fetal Development at 24 Weeks
A developing human is considered to be in the final stage of prenatal development from the 9th week after conception until birth. Which of the following best distinguishes the primary characteristic of this specific stage from the stages that precede it?