Introduction
The second trimester is a time of rapid baby growth! Your little one goes from tiny flutters to strong kicks, and their senses start developing. In this guide, inspired by What to Expect When You’re Expecting, we’ll cover the amazing milestones happening between weeks 13-27.
Baby’s Development: Second Trimester Highlights
Weeks 13-16
✔️ Baby is growing fast—now about the size of an apple 🍏.
✔️ Fingers & toes are fully formed with tiny nails.
✔️ Baby can suck their thumb and make facial expressions.
✔️ Ears are developing, and baby may begin hearing sounds.
Weeks 17-20
✔️ You might feel baby’s first movements! This is called quickening.
✔️ Baby’s heartbeat can be heard with a stethoscope.
✔️ Skin is developing, but it’s still thin and covered in vernix (a protective coating).
✔️ A gender reveal ultrasound can be done around week 20!
Weeks 21-27
✔️ Baby starts sleeping and waking on a schedule.
✔️ Lungs are developing but aren’t ready for breathing yet.
✔️ Taste buds form, and baby can swallow amniotic fluid.
✔️ Kicks and punches get stronger!
What’s Next?
By the end of the second trimester, your baby is almost two pounds! They’re preparing for the final growth phase before birth.
Final Thoughts
The second trimester is full of exciting milestones! Enjoy feeling baby’s movements, hearing the heartbeat, and watching your belly grow.
