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Now that you’ve entered the third trimester, if you haven’t yet done some of the practical preparation for your little one — like finding a crib and choosing a name — this could be the time to start!
Baby is growing like crazy, now 16-17 inches, the size of a cantaloupe, and probably weighing somewhere near three and a half pounds. At this point, most babies will start to move from the breech position (head up) to the birth position (head down) where their heads are delivered first. If your healthcare provider says Baby doesn’t appear to be moving from the breech position, you can ask them about exercises to encourage Baby into a head down birth position. In all likelihood, though, your little one is already rotating towards that birth position as you both move closer to that special day!
How else is your little one developing this week? Baby’s lanugo, the furry coat that’s been keeping them warm in the womb, will begin to fall off this week as they put on enough fat to keep them warm without it. Your little one is going to start putting on up to a half pound each week until they’re born — they’ll be far less little in just a few weeks!
Your baby’s eyes are also still developing. And while they can open their eyes, right now their vision is extremely poor. It will continue to improve while Baby is in the womb, and soon this development will speed up. They might reach the point of being able to track objects moving horizontally and vertically in just a few short weeks, and by week 34, they’ll probably have vision that’s just as strong as it will be at birth.
What’s new with you?
Around now, you might notice a return of the mood swings you may have thought you left behind in the first trimester. You also might have paradoxical symptoms, like increased tiredness right alongside difficulty sleeping. These issues are common, and the important thing is that you’re three-quarters of the way done with all of these frustrations, and three-quarters of the way to meeting Baby.
And as you approach delivery day, it’s increasingly important to start planning for some of the important, practical things in Baby’s life, like their nursery or sleep space. The transition from the womb to the world is a pretty drastic one, and you want Baby to be in a comfortable and nurturing environment so that they can be as happy and healthy as possible. So it’s also a good time to start thinking about things like where you’re going to get baby supplies, like diapers (you’ll need diapers!), and set up a crib or bassinet if you haven’t already.
If you have a partner, it’s great to include them in all of this prep. It can make for a nice bonding experience for you both and help them prepare for the big change happening in both of your lives — and get used to the idea that they’re going to be changing a LOT of those diapers! This is also a great time for them to spend some quality time with your growing bump, which can be a sweet way for them to nurture their bond with Baby even before your little one is born. Let them talk to Baby, touch your bump, and try to feel some of your growing baby’s movements so they can appreciate just how huge, and how wonderful, this change in your lives is going to be.
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Reviewed by the Ovia Health Clinical Team
- Mayo Clinic Staff. “Fetal development: The 3rd trimester.” Mayo Clinic. Mayo Clinic. June 30, 2020. https://www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week/in-depth/fetal-development/art-20045997.
- Mark A Curran, M.D. “Fetal Development.” Perinatology.com. Perinatology.com. March 31, 2019. https://www.perinatology.com/Reference/Fetal%20development.htm#1.