This week of pregnancy, your baby is about 19 1/2 – 20 inches in length and weighs over 5 pounds. Your baby is developing immunities to mild infections, caused by antibodies crossing the placenta.
If your baby was born now, he or she would survive with no major problems. There should be a sufficient amount of surfactant in your little ones lungs for them to work well on their own, although he or she would loose weight considerably faster than a full term baby. The digestive tract is still too immature for complete independence yet. Plus, your baby really needs the next few weeks to finish plumping up before birth.
You may be feeling more and more tired and uncomfortable as the weeks go by. You may also have some trouble moving around because your belly is getting so big. You may notice an occasional tingling or numbness in your pelvic area, which is caused by the weight of your baby pressing on nerves in your pelvis and legs. Some women describe this pressure as a “pins-and-needles” sensation. Lie on your side to help decrease this pressure in your pelvis and if it doesn’t go away with rest, then contact your doctor or midwife.


This week of pregnancy, your baby is almost 19 inches in length and weighs almost 5 pounds now. Your amitotic fluid will reach its maximum capacity this week (about 2 pints), so your baby will be resting on the walls of the uterus rather than floating in the amniotic fluid.
Your baby is about 19 inches in length and weighs about 4 1/3 pounds. Your baby may respond to loud noises, and is able to recognize familiar sounds such as your voice. He or she may also respond to your touch as you massage your tummy. Your growing baby is now quite adept at inhaling amniotic fluid. This practice breathing is all in preparation for his or her birth, which is only a matter of weeks away. Your baby is now storing iron in his or her liver, which will last until a few months after birth.
This week your baby is about 18 inches in length and weighs close to 4 pounds. Your baby continues to fill out, gain weight and is taking up much of the available space in your uterus. From this point on your baby’s weight will increase faster than his or her length. Your baby’s increased size makes his or her movements seem more pronounced and you may find it causes you some pain if kicked in the ribs.
This week of pregnancy, your baby is about 18 inches in length and weighs almost 3 1/2 pounds. Your baby’s lungs and digestive tract are almost fully developed, although they are still continuing to mature. Each and every week your baby spends in the womb are important so he or she will be able to breath unassisted after birth more easily. Your baby’s sexual organs continue to grow and develop. If your baby is a boy, his testicles are descending into the scrotum and if your baby is a girl, her clitoris is relatively prominent because it’s not covered by the labia. Your baby’s skin is becoming more pinker, rather than red, because of more and more fat layers building up underneath.
This week your baby is over 17 inches in length and weighs close to 3 pounds. The lanugo which covered your baby’s body is beginning to shed now and is almost gone, except for few patches on his or her back and shoulders. The lanugo is being replace by actual hair, which will continue to grow and gain some color now. Sound , taste and smell are all senses that are developing nicely at this stage of your baby’s development and you baby is even capable of crying real tears in the womb!