Week by week / Second trimester
Week 15
Your baby is about the size of an apple. Here is what is happening, what you might feel, and the two or three things worth doing this week.
Size right now
An apple
10.1 cm / 4 in, 70 g / 2 oz
- Length
- 10.1 cm / 4 in
- Weight
- 70 g / 2 oz
- Trimester
- Second
- To go
- 25 weeks
The baby
The baby can sense light through closed eyelids and will move away from a bright torch held on your belly. Legs are now longer than arms.
You
Nosebleeds and blocked noses are common and are just extra blood volume, not a cold.
This week
Quad marker screen window is 15 to 18 weeks
Start sleeping on your side, left if you can manage it
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Averages, not targets. Babies vary a great deal and a scan that reads differently from this page is not a problem. Anything that worries you is a call to your midwife or doctor, not a search.