First trimester · Week 7 of 40
7 weeks pregnant: the size of a blueberry
The brain is growing quickly. Tiny hands and feet start to form as paddles.
Reviewed against ACOG, NHS and WHO guidance · Updated November 2026
Typical size
About 1 cm
18% of the way to your due date
Your baby this week
The brain is growing quickly. Tiny hands and feet start to form as paddles.
Your body this week
Nausea, food aversions and a heightened sense of smell are common.
Tip for week 7
Sip water through the day; ginger tea or ginger candies may ease nausea.
Carry this guide in your pocket
Mamivaa is a free pregnancy app with a week-by-week tracker, vitamin and water reminders, a food scanner and a baby checklist.
Start freeThis guide offers general information and does not replace advice from your doctor or midwife. If something feels wrong, contact your provider or emergency services.