Week 21
Second TrimesterSwallowing and Tasting
Baby is swallowing amniotic fluid and can taste its flavors — which shift based on what you eat. A reminder that nourishment is deeply connected.
This week's tip
💡 A pregnancy pillow can transform your sleep quality — even a regular pillow tucked between your knees and under your bump makes a significant difference.
Baby this week
🥕
About the size of
a carrot
Length
26.7 cm
Weight
360 g
Development
- Baby swallows up to 300ml of amniotic fluid per day, supporting digestive development.
- Taste buds are developed — baby may taste the flavors of foods you eat.
- The liver and spleen are producing blood cells.
- Bone marrow is beginning to take over blood cell production.
- Limb movements are fully coordinated.
How you might feel
- Your appetite may increase noticeably.
- Leg cramps and hip pain are very common.
- Some women notice Braxton Hicks contractions — painless tightening of the uterus.
- Sleep can become more difficult to find comfortable positions for.
Things to do this week
- Eat a varied, nutrient-dense diet — flavor variety now may influence baby's palate later
- Use a pregnancy pillow for better sleep comfort
- Begin pelvic floor exercises if not already — they benefit birth and recovery
- Explore cord blood banking options if you're interested
When to contact your care team
This is general guidance, not medical advice.
- Contact your care team if Braxton Hicks contractions become regular, painful, or more than 4 per hour.
Partner tip
Cook a variety of flavorful, healthy meals together — it benefits baby's palate development and is a lovely shared activity.