There's lots of variations - we've seen mums who've got the whole family involved and painted the chromosomes on their tummies too.
- Best artificial Christmas Trees 2017
- Top Christmas toys 2017
- Kate Middleton pregnant: Her best baby bump moments
- Best potties: Which is the best potty for toilet training?
- Hidden sugar in kids foods: What's in your child's favourites?
- Top kids' toys for 2017
- Free knitting patterns
- The royals as babies
- Royal baby traditions