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Second trimester

Week 21 of pregnancy

Your baby is the size of a carrot. Kicks get stronger, and the baby tastes the flavours of your food in the amniotic fluid.

Your baby is the size of a carrot

Length, head to heel
≈ 26.7 cm
Weight
≈ 360 g

Your baby this week

  • Movements become stronger and more frequent; you may feel clear kicks.
  • The taste buds work and the baby tastes flavours from what you eat, which pass into the amniotic fluid.
  • The bone marrow starts to make blood cells.

Your body this week

  • You may feel short, painless tightenings of your tummy, Braxton Hicks contractions; they are your womb practising.
  • Your feet and ankles may swell a little, especially at the end of the day.
  • Varicose veins may appear on your legs.

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Read more for this stage

General information written by the mam.al editors. Every pregnancy is different and sizes are averages; it does not replace advice from your doctor or midwife. Sources include the NHS week-by-week guide to pregnancy. NHS. Contains public sector information licensed under the Open Government Licence v3.0.