Stages of Pregnancy Week by Week

What My Baby Looks Like in Week 15

Check out baby-to-be's developmental milestones in week 15 -- he can suck his thumb now.

Although the eyelids are still closed, the eyes themselves may now perceive light and begin to track light in unison. Now about the size of an avocado, the fetus's movement is becoming more complex. The developing fetus may demonstrate more purposeful movements, such as thumb sucking.
Illustrations Courtesy of the Sprout Pregnancy App

Illustrations Courtesy of the Sprout Pregnancy App

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An Inside Look

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Your Pregnancy Week 15

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