All weeks
First Trimester
Week 7 of pregnancy
Your baby is the size of a blueberry.
Length: 1 cm / 0.4 in
Baby at 7 weeks
- Arms + legs lengthening.
- Brain growing rapidly — 100 new cells per minute.
- Kidneys + liver beginning to function.
What you may feel
- Nausea continues.
- Frequent urination.
- Mood swings (hormone surge).
- Bloating.
This week’s checklist
- Begin gentle exercise (walking, swimming) if you feel up to it.
- Avoid raw/undercooked meat + soft cheeses.
- Tell partner / close family if you want emotional support.
Key milestone
Major organs forming — most vulnerable window for teratogenic exposure.
Doctor / midwife visits
Booking appointment scheduled for next 1-3 weeks.
Top foods this week
Educational only — not medical advice. Always consult your midwife or GP. Sources: NICE NG201 antenatal care, NICE NG207 inducing labour, NHS, RCOG. Read the full medical disclaimer.