Twin Pregnancy Week by Week

Here’s an overview of your twin pregnancy week by week.

Each week outlines what to expect, fetal development, symptoms and health conditions, what to prepare at this time, and how things should be progressing in the twin pregnancy.

Get Weekly Twin Pregnancy Updates

1st Trimester

Finding out about twins and morning sickness

• 7 Weeks
• 8 Weeks
• 9 Weeks
• 10 Weeks
• 11 Weeks
• 12 Weeks

2nd Trimester

Sweet spot of pregnancy, great time to prepare for twins’ arrival

• 13 Weeks
• 14 Weeks
• 15 Weeks
• 16 Weeks
• 17 Weeks
• 18 Weeks
• 19 Weeks
• 20 Weeks
• 21 Weeks
• 22 Weeks
• 23 Weeks
• 24 Weeks
• 25 Weeks
• 26 Weeks

3rd Trimester

Mom very uncomfortable and miserable during late stages of pregnancy

• 27 Weeks
• 28 Weeks
• 29 Weeks
• 30 Weeks
• 31 Weeks
• 32 Weeks
• 33 Weeks
• 34 Weeks
• 35 Weeks
• 36 Weeks
• 37 Weeks
• 38 Weeks
• 39 Weeks
• 40 Weeks

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.

Further Reading

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.