Pregnancy Information Center

Information, Symptoms, Treatments and Resources


Your Second Trimester - Week 24


Week 24

What's Happening To Your Body

Between weeks 24 and 28 you will have an important prenatal test called the glucose tolerance test (GTT). This test checks for gestational diabetes, a type of diabetes that can cause problems for the baby and for you. If you do have gestational diabetes, it's important to control it through diet and exercise.

Continue to eat healthfully, take prenatal vitamins, drink plenty of fluids and get lots of rest. You should also be able to feel the movements of your little one and even sense its sleep cycles.

What's Happening To Your Baby

Your baby is the size of a grapefruit. Your baby now measures about 11.8 inches (30.5 cm) long from head to heel. At this point, your baby weighs about 1.3 pounds (around 567 grams).

In the womb, your baby’s growing lungs continue to practice breathing by inhaling amniotic fluid. The lungs begin to produce surfactant, a substance that keeps the air sacs in the lungs from collapsing. This is essential for proper breathing once your baby leaves the womb and begins to breathe air.

If your baby were to be born at this point, its lungs have developed enough to give it a chance of surviving beyond birth with very special care in a Neonatal Intensive Care Unit (NICU).

Your baby’s face and body are beginning to fill out and look more and more like how it will look at birth. Muscles are growing, bones are strengthening and organs are continuing to develop.

Read This Next: Week 25

In Case You Missed It: Week 23

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