Second Trimester 26 weeks pregnant

Pregnancy Week 26 - Eyes Open & Immune System Developing

At 26 weeks, your baby's eyes are beginning to open for the first time! The immune system is developing, and your baby is producing antibodies. This is the last week of the second trimester for some counting methods, and your baby is becoming more aware of the world outside the womb.

Lettuce head
Baby Size
35.6 cm (head to heel)
Length
760 grams
Weight
Week 26
of 42
Baby Development This Week

Your baby's eyes are opening for the first time this week, though they will not be able to see much in the dark womb. The immune system is developing, and your baby is beginning to produce antibodies. The lungs are producing surfactant, which will be crucial for breathing after birth. Your baby's brain wave activity is ramping up, and the visual and auditory systems are becoming more sophisticated. Baby is gaining weight steadily and becoming less wrinkled as fat fills out the skin.

Changes in Your Body

You are entering the home stretch of your second trimester. Your belly is quite prominent now, and you may be feeling the strain of carrying extra weight. Some women develop gestational diabetes around this time. You might notice your belly occasionally getting hard and tight — these are Braxton Hicks contractions. Swelling in the hands and feet is common. You may be experiencing more vivid dreams. Your healthcare provider may start seeing you every two weeks instead of monthly.

Common Symptoms at Week 26
Braxton HicksSwellingVivid dreamsBack painHeartburnShortness of breath
Tips for Week 26
  • Count your baby's kicks daily — your provider can show you how.
  • Continue taking your prenatal vitamins and eating a balanced diet.
  • Start preparing for maternity leave if you work outside the home.
  • Begin packing a hospital bag with essentials for you and baby.
When to Call Your Doctor

Seek immediate care for signs of preterm labor (regular contractions, pressure, backache, fluid leaking), preeclampsia symptoms, or decreased fetal movement.

Frequently Asked Questions — Week 26