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First Trimester (Weeks 1 - 13) Week 2 of 40
Last reviewed by medical team: June 2026 Evidence-Based Care Check
Fetal Size Comparison

Week 2 Size: Ovulating

Your body is preparing for conception.

Fetal measurements will begin at Week 4 once organogenesis is underway.

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

Towards the end of this week, ovulation occurs. If an egg is released and fertilized by a sperm, conception takes place. This is when the genetic makeup of your baby is determined.

Weekly Milestones

  • Ovulation & Conception
Maternal Health

Your Body & Symptoms

Estrogen levels rise, thickening the uterine lining. You may notice clear, slippery cervical mucus, which is a sign of high fertility.

Common Symptoms this Week

Increased energy Mild lower abdominal pain (mittelschmerz) Light spotting Breast tenderness

Doctor & Care Recommendations

  • Have intercourse every other day during your fertile window (typically days 11-15 of a 28-day cycle).
  • Stay hydrated and maintain a balanced diet.
  • Keep track of ovulation signs, such as basal body temperature changes.

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 2

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