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Weekly Pregnancy Guide - Week 27
Weight: 1.95 lbs 886g
Length (CHL): 13.9" 35.3cm
Heart rate : 142 bpm
At the beginning of the third trimester, your baby looks similar to what he or she will look like at birth, except thinner and smaller.
Eyelids are now open more, and your baby can distinguish between light and dark more easily.
Eyelashes are growing, as is more hair on the head.
Although the sense of hearing is now well-developed, sounds may be muffled, as the ears are still covered with vernix (see Week 19).
Lungs continue to grow and prepare for functioning outside of the womb.
Congratulations! You have reached the final trimester!
You may find yourself gaining weight faster than before, but this will slow down around Week 35. This gain also reflects the weight gain of the baby.
By now, you've probably put on 15 to 20 pounds (around 7 to 9 kg), and this trimester you will probably put on another 11 pounds (around 5 kg) or so.
You may find yourself increasingly short of breath, as your uterus is pressing against your rib cage preventing your lungs from fully expanding. Thankfully, pregnancy hormones cause your circulatory system to work more efficiently.


Week 27 Fetus Picture(s):

week 4 embryo blastocyst

Week 27 pregnant belly picture:

week 2 - pregnant belly


General Introduction to Pregnancy
Your Changing Body + Pregnancy
Your Baby’s Development
Potential Pregnancy Complications
Labor and Delivery
View all 
General Introduction to Parenting
Child Nutrition
Childcare and Education
Sleep in the Early Years
Baby Milestones
View all 


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