15 Weeks Pregnant with Twins

Here’s what to expect when you are 15 weeks pregnant with twins:

Fetal Development

By 15 weeks in the twin pregnancy each of your twins is 4″ (10 cm) from head to rump and weighs 2.5 ounces (70 grams) and averages the following measurements:

Head circumference: 4.5″ (114 mm)
Abdominal Circumference: 4″ (102 mm)
Femur Bone Length (about from the waist to knee): 0.7″ (18 mm)

Each baby is about the size of an apple.

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What to Expect

Typical weight gain for Mom at this point is between 1 to 1.5 pounds/week (0.5 to 0.7kg).

Pictures and Video

Here’s an ultrasound video of what you might see at 15 weeks pregnant with twins:

Twin Gender Predictor Calculator

Belly picture at 15 weeks:
15 Weeks Pregnant with Twins Belly

What to Prepare This Week

When Mom is 15 weeks pregnant with twins, she is likely growing out of her clothes (if she hasn’t already). It’s time to stock up on maternity clothes.

From Your Fellow Twin Parents

Lindsay C. – “15 weeks and feeling really good! We’ve been stocking up on diapers and wipes. Also registering generic stuff for our baby shower registry”

(RELATED: Your twins will need a lot of gear. Here's the complete twins baby registry checklist to get ready for your twins' arrival.

Dad’s Thoughts

Do you already have older children? By the time Mom reaches 15 weeks pregnant with twins, you’ve likely thought how can I love my twins as much as my other child(ren)? The good news is that you can! The challenges of the twin pregnancy and raising them will help form an even greater bond with your babies.

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Twin Gender Predictor Calculator

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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