Baby: Week 13

Your liver and pancreas are secreting fluids, and your bones are hardening

Ultrasound photo of a human embryo at 13 weeks from conception

You weigh about 70g, and measure 9.1cm long, crown to rump. All your joints and limbs can move, and your legs are finally longer than your arms. 

Did you know your first case of hiccups was at 15 weeks? This was your way of practicing breathing! [1]

What else is going on this week? The liver and pancreas are secreting fluids, and your bones are hardening.[2] You’re growing rapidly, but not without attending to details: even the scalp hair pattern is forming.[3]

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