Week 12
First TrimesterAlmost at the Milestone
You're nearly at the end of the first trimester — a significant moment for many parents. Miscarriage risk drops substantially after this point.
This week's tip
💡 As nausea begins to ease, use this time to nourish yourself with foods you've been avoiding — colorful vegetables, protein, and whole grains will serve you and baby well.
Baby this week
🍋
About the size of
a lime
Length
5.4 cm
Weight
14 g
Development
- Baby's face is fully formed — human-looking and unique.
- The digestive system is practicing contractions.
- Bone marrow is beginning to produce white blood cells.
- Thyroid gland and pancreas are functional.
- Baby can open and close its mouth and make sucking motions.
How you might feel
- Nausea often begins to ease significantly for many women.
- Energy may return as you approach the second trimester.
- Your uterus is now large enough to be felt just above the pubic bone.
- Headaches are common — usually from hormonal shifts and increased blood volume.
Things to do this week
- Attend your nuchal translucency (NT) scan if scheduled
- Consider when you want to announce your pregnancy
- Start researching childbirth education classes
- Continue gentle exercise — it supports mood, sleep, and energy
When to contact your care team
This is general guidance, not medical advice.
- Contact your care team if you experience sudden or severe abdominal pain.
Partner tip
Help plan the pregnancy announcement if your partner wants to share the news — it's a big moment worth marking thoughtfully.