12 Weeks Pregnant: Symptoms, Development & Tips

12 weeks pregnant - congratulations! Here's everything you need to know about what's happening to your body, how your baby is developing, and what to do this week.

Your Baby's Development
Your Body This Week
Symptoms
What to Do This Week
Tips
FAQ

Your Baby's Development at 12 Weeks

**Key milestone: The 12-week scan**

Reflexes develop, facial features are distinct, sex organs forming. Your baby is now approximately The fetus is the size of a plum.

At this stage, your baby is growing rapidly. Every week brings significant changes as organs form, limbs develop, and the tiny body takes shape.

Your Body at 12 Weeks

Your body is going through enormous changes to support your growing baby. Hormone levels are surging, which affects almost every organ in your body.

Key body change: The 12-week scan

Symptoms at 12 Weeks

Common symptoms at 12 weeks include:

Morning sickness easing
energy returning
bump may show

Remember: every pregnancy is different. Some women have many symptoms, others have none. Both are normal.

What to Do This Week

Attend your 12-week scan - this is the big one! Try nub theory to predict your baby's gender. Consider announcing your pregnancy. Start thinking about your birth plan.

Tips for This Week

1. Rest as much as you need - your body is working hard 2. Eat small, frequent meals if you have nausea 3. Stay hydrated - aim for 8-10 glasses of water a day 4. Take your folic acid supplement daily 5. Be kind to yourself - growing a baby is exhausting work

Frequently Asked Questions

### Is it normal to have no symptoms at 12 weeks?

Yes. Some women experience very few symptoms throughout the first trimester. While symptoms like nausea and fatigue are common, their absence doesn't necessarily mean anything is wrong. If you're worried, contact your midwife.

Can I have a scan at 12 weeks?

Yes, your NHS 12-week scan (dating scan) should happen around this time. This is also the ideal time for nub theory gender prediction.

What should I be eating at 12 weeks?

Focus on a balanced diet with plenty of fruit, vegetables, whole grains, lean protein, and calcium-rich foods. Take folic acid daily. Avoid raw meat, soft cheeses, unpasteurised dairy, and high-mercury fish. Stay hydrated.

This article is for informational purposes only and does not constitute medical advice.

Last reviewed: June 2026

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