7 Weeks Pregnant with Twins

Here’s what to expect when you are 7 weeks pregnant with twins:

Fetal Development

By 7 weeks in the twin pregnancy, each of your twins will be about 0.5 inches long (13 mm) from crown to rump. Each baby is about the size of a blueberry.

Your twins’ hearts are starting to pump blood through the body and their livers are producing blood cells.

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What to Expect

Some symptoms at this stage include clothes starting to get tight and frequent trips to the bathroom.

From Your Fellow Twin Parents

Keila B. – “I am tired very tired and on a cleaning rampage.”

Pictures and Video

Here’s an ultrasound video of what you might see at 7 weeks pregnant with twins:

Belly Picture at 7 weeks:
7 Weeks Pregnant With Twins Belly

Dad’s Thoughts

You’re still so early in the pregnancy that you might have just found out you were having twins this week. You can’t believe that the positive pregnancy test has turned into twins. Your wife is having typical pregnancy symptoms on the outside (morning sickness, swings in appetite, etc.) but there are no outward signs that she’s carrying twins.

I clover my twinanigans shirt

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Next: 8 Weeks

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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

I am lucky. I have twins.

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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