At 25 weeks pregnant, the structures of the spine begin to form -- joints, ligaments and rings. These will protect the all important spinal cord which serves as the information transmitter for your child's body.
Blood vessels of the lungs develop.
Your baby's nostrils begin to open. There is a study out of Belfast that suggests babies at this stage have the capability of scent preferences!
The nerves around the mouth and lip area are showing more sensitivity now. When baby is rooting for food later on, these will be valuable!
His swallowing reflexes are developing at week 25 of your pregnancy.
Dexterity is improving. Your baby can make a fist and would clasp objects placed in palm.
After 25 weeks of pregnancy, your child has now obtained an approximate length of 13.6 inches (34.6cm) and weighs 1.46 pound (660gm).
At 26 weeks pregnant, your baby may weigh about two pounds now (average is 1.7 pound, 760gm) and is 14 inches (35.6cm) in length
To support the fetus's growing body, the spine is getting stronger and more supple. Though no longer than the span of the average adult hand, it is now made up of 150 joints, 33 rings, and some 1,000 ligaments.
Air sacs in the lungs form now.
After 26 weeks of pregnancy, lungs begin to secrete a greasy substance called surfactant. Without surfactant the fetal lungs would stick together and couldn't expand after the baby is born.
Although they've been sealed shut for the last few months, your baby's eyes are opening and beginning to blink this week. Depending on ethnicity, some babies will be born with blue or gray-blue eyes (which may change color in the first 6 months of life) and some will be born with brown or dark eyes.
Retinas begin to form.
Brain wave activity for hearing and sight begins to be detectable at week 26 of your pregnancy.
Fetal brain scans show response to touch. If you shine a light on your abdomen, your baby will turn his head, which according to researchers, means his optic nerve is working.
At 27 weeks pregnant, your little one's brain continues its rapid growth. Don't forget to share music, conversation, and even books with your baby!
Response to sound grows more consistent toward the end of the seventh month, when the network of nerves to the ear is complete. Your baby's hearing continues to develop, he or she may start to recognize your voice as well as your partner's.
Lungs continue to grow and prepare for functioning outside of the womb. Each day in the womb greatly increases survival rates!
He also continues to take small breaths and although he's only breathing in water and not air, it's still good practice for when he's born.
Eyelids are now open more. Your baby can distinguish between light and dark.
Retinas have formed during pregnancy week 27.
Your baby will grow over an inch during week 27 of pregnancy alone! You may suspect this phenomenal growth rate repeats in the preteen years!
Average size is now 14.4 inches (36.6cm) and 1.9 pound (875gm).
At 29 weeks pregnant, your baby's head is in proportion with body now. He appears more like a newborn each and every day!
Fat continues to accumulate under the skin -- only now preparing for entering the *real world*.
Your baby's brain can control primitive breathing and body temperatures.
His eyes can move in their sockets at week 29 of your pregnancy. Soon he will be able to follow a blinking light.
Your baby is increasingly sensitive to changes in light, sound, taste, and smell! Various studies show that your baby may indicate preferences (or disdain) for particular tastes or odors at this stage
He is also moving from side to side, but probably still is head up. In the next few weeks, he will move to the head down birthing position. At times you may feel as if he is performing somersaults for a circus act!
After 29 weeks of pregnancy, her length is now approximately 15.2 inches (38.6cm) and weight is 2.54 pounds (1153gm)