Based on the typical timeline of prenatal development, explain why the observation at 10 weeks (indistinct sex organs) and the observations at 16 weeks (fully formed fingers and toes) are both considered normal for their respective stages.

Google

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.

Learn Before

Related