Stages Of Pregnancy
All About Early Signs Of Pregnancy and Other Pregnancy Related Information
Pregnancy Week By Week Birth Defects and Disorders Labor & Birth After Pregnancy Birth Control


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This week of pregnancy, your baby is about 11- 11 1/2 inches in length and weighs about 1 3/4 pounds. This week, air sacs (alveoli) will have developed in your baby's lungs. Your baby's lungs will begin to secrete surfactant, a substance which keeps the lung tissue from sticking to itself. Since your baby can hear, he or she may jump in response to loud, startling sounds. More below:

Changes in You:

While your baby's nails are growing, yours may be growing well, too. Strong, long, healthy nails often accompany pregnancy because of improvements in circulation and metabolism. You are approaching the end of the second trimester. As you get bigger, discomforts such as back pain, pressure in your pelvis, leg cramps and headaches may occur more frequently.