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

Here’s what to expect when you are 29 weeks pregnant with twins:

Fetal Development

By 29 weeks in the twin pregnancy each of your twins is about 15″ (39 cm) long and averages the following measurements:

Head circumference: 11.25″ (286 mm)
Abdominal Circumference: 9.9″ (251 mm)
Femur Bone Length (about from the waist to knee): 2.15″ (55 mm)

Each baby is about the size of a butternut squash.

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What to Expect

Typical weight gain for Mom at this point is about one pound per week (0.6kg).

For more details on Mom’s health, see:
Mom & Baby at 29 Weeks Pregnant

4 Critical Mistakes Expectant Twin Parents Make

Pictures and Video

Here’s an ultrasound video of what you might see at 29 weeks pregnant with twins:

Belly picture at 29 weeks:
29 Weeks Pregnant with Twins Belly Picture by

If Your Twins Were Born This Week

Your twins are early preterm and the odds of survival are better than weeks past. However, twins born during the 29th week still risk major medical complications. They could spends weeks, if not months, in the NICU. Twins born this week average a hospital stay of about 60 days.

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What to Prepare This Week

When Mom is 29 weeks pregnant with twins, set aside some time to talk to your parents. Your twins’ grandparents can help with your twins. They just aren’t sure how or what you want. Talk frankly with them about what you need and what they can do when the twins are born.

Your Fellow Parents at 29 Weeks Pregnant with Twins

Christina C. – “Feeling sore. Twin b/b keep kicking and punching each other.”

Dad’s Thoughts

By the time Mom reaches 29 weeks pregnant with twins, you’re concerned about how to juggle the time demands of twins and other children. Balancing a suddenly larger family is difficult but you can do it. If you think through the logistics before the twins arrive, you’ll be better off when they arrive.


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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