Updated 21 November 2014

Week 21: 19 weeks to go!

Your baby becomes more active as there is plenty amniotic fluid in which to play around.


What is happening to your baby:

  • Your baby measures 17.5cm crown to rump.
  • Growth starts to slow down.
  • Your baby becomes more active as there is more amniotic fluid in which to play around.
  • Heart rate grows stronger.
  • Legs are reaching their relative proportions.

What is happening to you:

  • The measurement from pubic bone to fundus is about 20cm. Fundal height is measured to estimate the size of your foetus – it eventually stops at 35-40cm.
  • Your ankles and feet may be swelling.
  • Oesophageal reflux (regurgitation of the stomach contents into the oesophagus) may cause heartburn.

What to do:

  • Start finding out about ante-natal classes in your area.
  • Drink lots of fluids and rest with your feet up to reduce water retention. Now you have a good excuse to sit back and relax!
  • For tips on how to relieve heartburn, speak to your doctor.


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