Week by Week

Week 24

Your baby is about 8 1/2- 9 inches in length (crown-to-rump) and weighs about 1 1/2 pounds. Your baby's lungs are gaining blood vessels now, preparing them for taking over the task of getting oxygen into the blood stream. They have also begun to develop surfactant, a substance that will help your baby's lungs to expand following birth.

In the coming weeks of pregnancy, your baby will continue to grow in length and weight at a steady pace and his or her movements will get stronger and more forceful inside your womb. Most of your baby's weight gain is in the bones and muscles, as they become harder. Your baby's eyelids may have separated, allowing your baby to open his or her eyes.

The top of your uterus is well above your belly button now and you are really looking pregnant to others at this point in your pregnancy. You may be experiencing more and more tightening and relaxing in your lower abdomen, which are Braxton Hicks. They will become more frequent and increasingly noticeable as your pregnancy advances. Drinking fluids and resting may help quiet your uterus. On a good note, these "practice" contractions begin the process of ripening your cervix (softening and effacement), which just might mean an easier and quicker labor when the time comes.

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