First Trimester
🟢
Week 12: Reflexes Develop
A milestone week! Your baby's reflexes are developing — if you poke your belly, baby might squirm in response. The risk of miscarriage drops significantly after this week.
Your baby is the size of a...
🟢 Lime!
Length5.4 cm
Weight14 g
Week12 of 40
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👶 Baby Development
- ✓Reflexes are developing — baby can open and close fists
- ✓Digestive system practicing contraction movements
- ✓Bone marrow is making white blood cells
- ✓Pituitary gland begins producing hormones
- ✓Vocal cords are forming
- ✓Intestines move into the abdominal cavity
💊 Common Symptoms
- •Morning sickness often improves this week
- •Increased appetite and energy
- •Darkening of the skin (melasma or linea nigra)
- •Dizziness when standing quickly
- •Less frequent urination (uterus rises out of pelvis)
- •Improved mood and energy
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✅ To-Do This Week
- Many parents announce the pregnancy this week!
- Plan a creative pregnancy announcement
- Start a baby registry
- Get your teeth cleaned (dental health affects pregnancy)
- Consider telling your employer
- Celebrate — you've completed the first trimester!
🩺 Questions for Your Doctor
- ?What do the first trimester screening results show?
- ?Is the baby's growth on track?
- ?When is the next appointment?
- ?Should I be concerned about any genetic results?
- ?Can I resume more vigorous exercise now?
- ?Is it safe to get a flu shot during pregnancy?
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