Third Trimester: Weeks 28-40

The final stretch. Your baby gains weight, practices breathing, and prepares to meet you.

The Final Stretch

The third trimester, spanning weeks 28-40, is a time of anticipation, preparation, and profound change. Your baby grows from approximately 2 pounds to over 6 pounds, their lungs mature, their immune system strengthens, and they gradually settle into the optimal position for birth. Every kick, roll, and hiccup is a beautiful reminder that you'll meet your little one soon.

For you, the third trimester brings new physical challenges as your body works harder than ever to support your growing baby. Braxton Hicks contractions may begin, your center of gravity shifts, and you may experience shortness of breath as your uterus presses against your diaphragm. Sleep can become more difficult, and finding a comfortable position becomes a nightly puzzle.

In these final weeks, every Baby Whispers voice note becomes a treasured keepsake — a memory of the voice your baby had before they could speak. Each morning brings a new message that reflects how close you are to meeting them, making the final countdown even more meaningful.

Third Trimester Milestones

Weeks 28-31: Rapid Weight Gain

Your baby gains weight quickly, developing fat layers under the skin. The brain grows rapidly, and the eyes can open and close. Your baby may respond to light shining on your belly.

Weeks 32-35: Settling Into Position

Most babies turn head-down in preparation for birth. The lungs continue maturing, and the baby practices breathing movements. Your kicks may feel different as space becomes tighter.

Weeks 36-40: Final Preparations

Your baby is considered full-term after week 37. They continue gaining weight, their fingernails reach the fingertips, and they shed lanugo (the fine hair covering their body). Any day now, you'll meet your baby.

Preparing for Birth

  • Pack your hospital bag by week 36 — include essentials for you, your partner, and the baby. Don't forget phone chargers, toiletries, and comfortable clothes.
  • Practice relaxation techniques — breathing exercises, meditation, and gentle stretching can help you manage labor pain and stay calm.
  • Know the signs of labor — regular contractions, water breaking, and bloody show are key indicators. Contact your healthcare provider when you notice these signs.
  • Cherish every voice note — in these final weeks, every Baby Whispers message becomes a keepsake. Save them all to look back on after your baby arrives.