Week 7 Size: Blueberry
About the size of a fresh blueberry.
Relative Visual Scale
Solid circle represents your baby's size. Dotted circle shows the full-term week 40 size threshold.
Baby's Development
The baby's brain is growing rapidly, generating about 100,000 new brain cells every minute! Tiny nostrils, mouth, and eye lenses are forming, and the limb buds are developing joints.
Weekly Milestones
- ✦ Brain Rapid Growth
Your Body & Symptoms
Your uterus has doubled in size over the last five weeks. You may notice your clothes feeling a bit snugger around the waist, though you probably aren't showing yet.
Common Symptoms this Week
Doctor & Care Recommendations
- ✓ Stay hydrated—sip water throughout the day rather than drinking large amounts at once.
- ✓ Invest in a comfortable, supportive bra.
- ✓ Look into low-impact exercises like prenatal yoga or walking.
PregWeeks
CHECKLISTUltimate Hospital Bag & Birth Plan
Print-Ready PDFThe Ultimate Hospital Bag Checklist & Birth Plan PDF
Prepare for labor with confidence. Our doctor-reviewed checklists ensure you don't forget any newborn or partner essentials in the hospital delivery room.
- ✓ Clinical OB-GYN Approved List: Separate checklists detailing exactly what mom, partner, and newborn baby require for a standard 3-day recovery stay.
- ✓ 10-Second Birth Preference Builder: Minimalist visual plan templates designed to help delivery nurses digest your labor choices instantly on check-in.
- ✓ 1-Click Offline Access: High-resolution, print-ready document formatted to download directly to your mobile device for offline reference in the clinic.
Weekly Health Guides & Resources
First Trimester Guide
Read comprehensive clinical milestones, screening checklists, and developmental guidelines for this phase.
Track & Relieve Symptoms
Learn why symptoms occur, home remedies, and clinical indicators for this week:
Food Safety Checklists
Verify safety statuses, listeria and mercury risks, and safe alternatives for:
Frequently Asked Questions: Week 7
Evidence-Based Clinical Sources for Week 7
PregWeeks is dedicated to medical transparency. Every milestone, symptom tip, and fetal development guideline for Week 7 is sourced directly from clinical guidelines published by leading obstetric authorities. Read more about our editorial methodology on our Medical Sources page.
Nutrition During Pregnancy FAQ
ACOGPatient and practitioner reference guidelines on prenatal nutritional intake, including essential vitamins, iron, calcium, and weight thresholds.
View Clinical Guideline ↗Early Pregnancy Loss (Practice Bulletin No. 200)
ACOGClinical guidelines on diagnostics, physical symptoms, and care options during early pregnancy challenges in the first trimester.
View Clinical Guideline ↗Food Safety for Pregnant Women
FDA / CDCStandard warnings and food safety guidelines regarding Listeria, Salmonella, and mercury levels in seafood during gestation.
View Clinical Guideline ↗Get weekly pregnancy updates
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