Newborns7 Things Every Dad of Twins Needs to Know
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25 Weeks Pregnant with Twins

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).

For more details on Mom’s health, see:
Mom & Baby at 25 Weeks Pregnant

4 Critical Mistakes Expectant Twin Parents Make

Pictures and Video

Here’s an ultrasound video of what you might see at 25 weeks pregnant with twins:

Belly picture at 25 weeks:
25 Weeks Pregnant with Twins BellyPicture 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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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.”

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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Further Reading

Dad's Guide to Raising Twins book
Don't forget to pick up a copy of the definitive guide to raising twins. "Dad's Guide to Raising Twins" was written for fathers of twins to help guide you through the first several years with twins. Click here to learn more about the book and get your copy.

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Written by , author of The Dad's Guide to Twins

When You're Expecting Twins, Triplets, or Quads: Proven Guidelines for a Healthy Multiple Pregnancy by Dr. Barbara Luke and Tamara Eberlein
Babycenter's Average fetal length and weight chart