Week 16  ·  Second trimester

Week 16, gently.

A needle-felted wool an avocado

Your baby is the size of

an avocado

  • 11.6 cm long
  • 100 g

You might start feeling the first tiny flutters — "quickening" — in the next few weeks.

“Every frown and smile they'll ever make, already rehearsed.”

What’s happening inside

The baby's head is more upright, and the legs have caught up to the arms in length. Facial muscles are active — expressions are a full repertoire.

A warm watercolor illustration of a 16-week fetus

How you might feel

Your anatomy scan (ultrasound) usually happens between weeks 18 and 22 — book it around now if you haven't.

A warm watercolor illustration of week 16 of pregnancy