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7 Weeks Pregnant: Your Baby’s Brain Cells Are Quickly Forming Posted on May 20, 2017 His brain isn’t all that’s coming along; she’s also growing other integral organs, such as a heart and kidneys. In fact, he likely has a heart rateof about 100 beats per minute at this point. When you’re 7 weeks pregnant, your baby is probably about the size of a blueberry.
HealthyWomen Editors. 30 May 2014. Medically Reviewed. Now that you’ve reached week seven of your pregnancy, your baby is probably about the size of a fingernail.
While he’s still pretty tiny, he’s far more advanced than the cluster of cells he started out as, because his brain cells are quickly developing. During week 7 of pregnancy, your baby will continue to develop quickly. The vital organ systems are continuing to grow, and most development now will. Your 7-week embryo is generating about one hundred new brain cells each minute! And not only is baby’s brain becoming more complex, but the heart is too.
Also important: Baby is developing a permanent set of kidneys, and arm and leg joints are now forming as well. At this early stage of development (5 weeks pregnant), your baby is an embryo that looks like a tiny tadpole, with the neural plate running down the middle from head to tail. Over the course of this week, the edges of the plate rise and fold toward each other, forming the neural tube that will become your baby’s spinal column and brain.
Your baby’s brain will triple in size during this time, growing from a little over 3 ounces to almost 11 ounces at birth. The cerebrum will begin to develop grooves and ridges and separate into the left brain and right brain. The cerebellum is the fastest-growing part of the brain in the third trimester. At 7 weeks pregnant, most of that growth is concentrated in the head (the better to store all those smarts) as new brain cells are generated at the rate of 100 per minute. How’s that for a.
Baby development at 7 weeks. Wink, wink. The main parts of the eye that allow your baby to see – the cornea, iris, pupil, lens, and retina – start developing this week, and they’re almost fully formed just a few weeks later..
Rumble, rumble. Your baby’s stomach and esophagus start to form. The esophagus is the tube that moves food from your baby’s mouth to his stomach. Your baby is now generating about one hundred new brain cells per minute.
The brain and heart are becoming increasingly complex and your baby’s permanent set of kidneys are in development. At the moment the bone marrow has not yet formed, so it is the liver that is churning out large amounts of red blood cells. A mere 16 days after conception, your fetus’s neural plate forms (think of it as the foundation of your baby’s brain and spinal cord).
It grows longer and folds onto itself, until that fold morphs into a groove, and that groove turns into a tube — the neural tube.
List of related literature:
|from A Practice of Anesthesia for Infants and Children E-Book: Expert Consult: Online and Print|
|from Brain Health From Birth: Nurturing Brain Development During Pregnancy and the First Year|
|from Understanding Pathophysiology 3e Australia New Zealand|
|from the time the brain starts to form around the third week of prenatal development until the infant is born, billions of neurons, or brain cells, are produced.|
|from Parenthood in America: An Encyclopedia|
|from Anatomy and Physiology for Midwives E-Book|
|from Nutritional Care of Preterm Infants: Scientific Basis and Practical Guidelines|
|from Neural Circuit Development and Function in the Healthy and Diseased Brain: Comprehensive Developmental Neuroscience|
|from 15 to 20 weeks of gestation there is a dramatic increase in the number of neurons.|
|from Wong’s Nursing Care of Infants and Children E-Book|
|from Porth’s Pathophysiology: Concepts of Altered Health States|
|from Anthony’s Textbook of Anatomy & Physiology E-Book|