Development
What is developing around week 12
Around the 12-week source checkpoint, nerves and muscles are beginning to work together, the fetus can make a fist, and growth is shifting toward greater length and proportion.
Your body
Changes you may notice
First-trimester experiences can include fatigue, breast tenderness, nausea, food aversions or cravings, mood changes, constipation, urinary frequency, headache, and heartburn. Some people have few symptoms; symptom intensity does not reliably measure pregnancy health.
Symptoms vary widely. Absence, presence, or intensity of a symptom cannot confirm that a pregnancy is progressing normally.
This week’s focus
A practical next step
Review what your care team expects before the next trimester and which symptoms should prompt an earlier call.
- Review what your care team expects before the next trimester and which symptoms should prompt an earlier call.
- Keep appointments and follow the plan created with your prenatal care professional.
- Save new symptoms and questions in one place so changes are easier to explain.
Prenatal visit
Questions worth bringing with you
- What should I understand or prepare during pregnancy week 12?
- Which symptoms should make me call you now rather than wait for my next appointment?
- What tests, vaccines, medicines, or decisions are coming next in my care plan?