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Baby Development This Week
All major organs are formed. Baby can open and close fingers. Reflexes are developing — baby may squint and make sucking movements.
What You Might Be Feeling
Morning sickness may begin to ease. You might start showing. Many women feel a boost in energy.
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Medical Appointments and Tests
NT scan and first trimester screening typically happen this week. Many parents share their news after this milestone.
Frequently Asked Questions
How big is my baby at 12 weeks pregnant?▾
At week 12, your baby is about the size of a lime — approximately 2.1 inches long and weighing about 0.5 ounces.
Is 12 weeks in the first trimester?▾
Yes, week 12 is in the first trimester, which covers weeks 1 through 12 of pregnancy.
Is it safe to announce my pregnancy at 12 weeks?▾
Many parents choose to share their pregnancy news after 12 weeks because the risk of miscarriage drops significantly by this point. However, there is no right or wrong time — share whenever feels right for you.
What should I expect at 12 weeks pregnant?▾
At 12 weeks, your baby is the size of a lime. 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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