24 Weeks Pregnant with Twins

Here’s what to expect when you are 24 weeks pregnant with twins:

Fetal Development

By 24 weeks in the twin pregnancy your twins are about 12 inches tall (30 cm) from head to foot and each weighs 1.25 pounds (0.5 kg). Each baby will average the following measurements:

Head circumference: 9″ (223mm)
Abdominal Circumference: 8″ (200mm) which is about the same as a tennis ball
Femur Bone Length (from waist to knee): 1.75″ (45mm) which is about the same as the width (diameter) of a golf ball

Each baby is about the length of an ear of corn.

Learn more about your twins’ progress: Twins fetal development: 24 weeks pregnant.

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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).

4 Critical Mistakes Expectant Twin Parents Make

Total weight gain for the twin pregnancy so far will average between 25 to 38 pounds (11.3 to 17.2kg).

Mom will start having stretch marks as her skin expands with the growing babies.

Pictures and Video

Here’s an ultrasound video of what you might see at 24 weeks pregnant with twins:

(RELATED: Still looking for the right twin gear? See my Twin Baby Gear Essentials.)

Belly picture at 24 weeks:
24 Weeks Pregnant with Twins Belly

If Your Twins Were Born This Week

Your twins are still very early and on the borderline of the 24 week milestone that is the viability of life threshold. Most twins born at 24 weeks do not survive. Those that do have major medical complications and permanent health issues.

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What to Prepare This Week

When Mom is 24 weeks pregnant with twins, make a list of all the free and discounted stuff you can get for twins. You’ll need all the financial help you can get so take advantage of the twin offers available to your family.

4 Critical Mistakes Expectant Twin Parents Make

Your Fellow Parents at 24 Weeks Pregnant with Twins

Katie E. – “24w2d. We just painted the nursery this week!”

Anna D. – “24.5 weeks – on bedrest, but hanging in there.”

Todd B. – “Had baby shower last weekend!”

Ryan S. – “We find out the genders next week and then I’ll be getting in preparation mode!”

(RELATED: Love podcasts? Check out the entire Dad's Guide to Twins Podcast archive for additional twin tips and interviews with twin dads.)

Chris M. – “Mom may have mild preeclampsia that has to be watched. We’ve been going week by week not knowing what to expect.”

Dad’s Thoughts

When my wife was 24 weeks pregnant with twins, she started to have contractions. This freaked us both out. It was a sharp wake up call that she needed to adjust her lifestyle to take it easy and keep those babies in the womb.

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Twin Gender Predictor Calculator

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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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

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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