Your baby says
Some new work seems to be starting in the middle of my bones. Let that be one of my household chores.
What may be happening this week
During this period, the bone marrow may begin to play a bigger role in making blood cells, and brain growth also continues. These processes are quiet and gradual; they can't be noticed from the outside.
A note for you
For the mother, waking more often at night may be part of this week. For the father or partner, making mornings a little easier can make this week a little lighter.
A week of unseen work. Let's close the note without fuss too.
Sizes are averages and every baby grows at their own pace. This page is general information, not medical advice.