27 Weeks Pregnant with Twins

Here’s what to expect when you are 27 weeks pregnant with twins:

Fetal Development

By 27 weeks in the twin pregnancy each of your twins averages about 14.5″ long from head to foot with the following measurements:

Head circumference: 10.5″ (267 mm)
Abdominal Circumference: 9.3″ (236 mm)
Femur Bone Length (about from the waist to knee): 2″ (51 mm)

Each baby is about the size of a head of cauliflower.

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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 27 weeks pregnant with twins:

Twin Gender Predictor Calculator

Belly picture at 27 weeks:
27 Weeks Pregnant with Twins Belly
Picture by PhotograTree

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 27th week still risk major medical complications and life-long health issues.

John W.’s twin boys were born at 27 weeks and weighed 1lb 13oz and 2lbs 3oz. They spent 79 days in the NICU.

(RELATED: Don't reinvent the twin parenting wheel. Get my 7 Things Every Dad of Twins Needs to Know.)

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What to Prepare This Week

When Mom is 27 weeks pregnant with twins, discuss how you will be feeding the twins. If Mom will be breastfeeding, look at twin feeding pillow options to help support the babies while they eat.

Your Fellow Parents at 27 Weeks Pregnant with Twins

Jamey M. – “It’s getting rough. The additional weight is really starting to take a toll on my body, especially my knees and low back. Its frustrating getting tired just doing laundry or making dinner.”

Tom B. – “We now have four bassinets ready; two for both up and downstairs. Lots of clothes ready to go. My wife is starting to really slow down and finding it hard to sit up from being seated or in bed. The excitement is definitely building for me, but I think the tiredness is wearing on her!”

4 Critical Mistakes Expectant Twin Parents Make

Omar A. – “Mom feels fatigued much of the time and tosses from side to side at night.”

Dad’s Thoughts

By the time Mom reaches 27 weeks pregnant with twins, you should be well on your way to preparing any other children for their arrival. This includes making your own plans for how you’ll juggle the twins and a toddler (or other children).

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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.

(RELATED: Don't reinvent the twin parenting wheel. Get my 7 Things Every Dad of Twins Needs to Know.)

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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

4 Critical Mistakes Expectant Twin Parents Make

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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