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First Trimester (Weeks 1 - 13) Week 10 of 40
Fetal Size Comparison

Week 10 Size: Prune

About the size of a sweet dried prune.

Length 3.1 cm 1.2 inches
Weight 4 g 0.1 oz

Relative Visual Scale

Solid circle represents your baby's size. Dotted circle shows the full-term week 40 size threshold.

Inside The Womb

Baby's Development

Vital organs—including the brain, kidneys, intestines, and liver—are starting to function. Tiny nails are forming on the fingers and toes, and the baby can swallow amniotic fluid.

Weekly Milestones

  • Organ Function Begins
  • Nails Form
Maternal Health

Your Body & Symptoms

Your uterus is now the size of a large grapefruit. You might see blue veins appearing on your breasts and abdomen as blood flow increases.

Common Symptoms this Week

Fatigue starting to improve slightly Visible veins Round ligament pain (sharp side cramps) Heartburn

Doctor & Care Recommendations

  • Wear loose, comfortable clothing.
  • Practice pelvic floor exercises (Kegels) to strengthen your pelvic muscles.
  • Look into Non-Invasive Prenatal Testing (NIPT) options if recommended by your doctor.
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PregWeeks

CHECKLIST

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Prepare for labor with confidence. Our doctor-reviewed checklists ensure you don't forget any newborn or partner essentials in the hospital delivery room.

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Weekly Health Guides & Resources

Trimester Guide

First Trimester Guide

Read comprehensive clinical milestones, screening checklists, and developmental guidelines for this phase.

Explore Trimester →
Common Symptoms

Track & Relieve Symptoms

Learn why symptoms occur, home remedies, and clinical indicators for this week:

Pregnancy Nutrition

Food Safety Checklists

Verify safety statuses, listeria and mercury risks, and safe alternatives for:

Full Nutrition Guide →

Frequently Asked Questions: Week 10

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Evidence-Based Clinical Sources for Week 10

PregWeeks is dedicated to medical transparency. Every milestone, symptom tip, and fetal development guideline for Week 10 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

ACOG

Patient 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)

ACOG

Clinical 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 / CDC

Standard warnings and food safety guidelines regarding Listeria, Salmonella, and mercury levels in seafood during gestation.

View Clinical Guideline
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🏥 Medical Disclaimer

PregWeeks is an educational planning tool and does not provide clinical diagnoses or medical advice. Always consult your obstetrician or healthcare professional for health concerns.