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Description: Shows a fetus in utero at 20 weeks of development (fifth month) during the second trimester of pregnancy. At this fetal stage the mother is aware of fetal movement. The legs reach their final relative proportions and the overall rapid growth rate slows down. The myelination of the spinal cord has begun. The eyelids and eyebrows are well developed. The CR (crown-rump) length is approximately 185 mm.

Last Updated: Apr 3rd, 2009