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Week 18 of Pregnancy
Your baby is the size of a Sweet Potato
Baby Development This Week
Baby can hear sounds! They may startle at loud noises. Myelin is coating the nerves, enabling faster signal transmission.
What You Might Be Feeling
Backaches may begin. You might feel baby move for the first time. Sleep positions may need adjusting.
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Medical Appointments and Tests
The anatomy scan (mid-pregnancy ultrasound) is typically scheduled between weeks 18-22.
Frequently Asked Questions
How big is my baby at 18 weeks pregnant?▾
At week 18, your baby is about the size of a sweet potato — approximately 5.6 inches long and weighing about 6.7 ounces.
What should I expect at 18 weeks pregnant?▾
At 18 weeks, your baby is the size of a sweet potato. Every pregnancy is different, but common experiences at this stage include physical changes, new symptoms, and exciting developmental milestones for your baby.
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