by Here’s what to expect when you are 25 weeks pregnant with twins:
Fetal Development
By 25 weeks in the twin pregnancy each of your twins averages about 13.5″ (35 cm) and will have the following measurements:
Head circumference: 9.5″ (241 mm)
Abdominal Circumference: 8.4″ (213 mm)
Femur Bone Length (about from the waist to knee): 1.8″ (46 mm)
Each baby is about the size of an acorn squash.
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What to Expect
Typical weight gain for Mom at this point is between 1.25 to 2.0 pounds/week (0.6 to 0.9kg).
Pictures and Video
Here’s an ultrasound video of what you might see at 25 weeks pregnant with twins:
Belly picture at 25 weeks:
Picture by Michael Sharman
If Your Twins Were Born This Week
Your twins are very early preterm and the odds of survival are better than weeks past. However, twins born during the 25th week still risk major medical complications and life-long health issues.
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(RELATED: Expecting twins? Avoid these 4 critical mistakes expectant twin parents make.)
What to Prepare This Week
When Mom is 25 weeks pregnant with twins, make sure you’ve done some research and found the best car seats for your twins. You won’t be able to bring them home from the hospital if you don’t have car seats.
Your Fellow Parents at 25 Weeks Pregnant with Twins
Kathy A. – “My back is killing me.”
Kimberly H. – “Finished painting the dressers for the nursery. The only thing left for the baby room is the babies!”
Kellie R. – “We’re excited for our twins! My daughter especially. She loves that she is getting a brother and a sister. Mom is currently doing okay. Very tired especially since I work in retail and am on my feet a lot.”
Dad’s Thoughts
Are twins your first children? By the time Mom reaches 25 weeks pregnant with twins, you need to ponder what it means to transition from a childless lifestyle to having twins. Things will be very different. Adjust your expectations now so you aren’t disappointed later.
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Still wondering how to prepare for your twins? I cover specific things you should know and prepare for in my Dad’s Guide to Twins book. Learn more about the book here.
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(RELATED: Don't reinvent the twin parenting wheel. Get my 7 Things Every Dad of Twins Needs to Know.)
View entire Twin Pregnancy Week by Week
Sources: When You’re Expecting Twins, Triplets, or Quads: Proven Guidelines for a Healthy Multiple Pregnancy by Dr. Barbara Luke and Tamara Eberlein and Babycenter’s Average fetal length and weight chart
Further Reading
