Week 12 of Pregnancy
First trimester
For informational purposes only. This page is not medical advice. Every pregnancy is different — always consult your doctor, midwife, or healthcare provider for guidance specific to your situation. In an emergency, call your provider or 911 immediately.
Baby is
about the size of a plum
2.1 inches · 0.5 oz
Baby this week
- •Fingerprints are forming on tiny fingertips
- •Baby can make a fist and suck their thumb
- •Tooth buds are developing beneath the gums
- •Reflexes are becoming more coordinated
- •Facial features are becoming more defined
You this week
- •Nausea may be starting to ease for many
- •Continued breast tenderness and swelling
- •Fatigue, though energy often improves this trimester
- •Occasional headaches or dizziness
- •Visible veins as blood volume increases
- •Round ligament pain (sharp twinges in the lower abdomen)
This week's tips
- •Schedule your first trimester screening ultrasound if you haven't already—this is a special milestone
- •Start planning your maternity wardrobe now; you may be showing soon or just needing comfort
- •Stay hydrated and eat small, frequent meals to manage any lingering nausea
- •Consider prenatal vitamins and discuss any supplements with your provider
- •Share your pregnancy news if you're ready—many wait until after the first trimester screening
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
You're entering the second trimester next week, often called the 'honeymoon period' of pregnancy. Many people experience a boost in energy and a decrease in nausea—you may finally start to feel more like yourself again.
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For informational purposes only. This page is not medical advice. Every pregnancy is different — always consult your doctor, midwife, or healthcare provider for guidance specific to your situation. In an emergency, call your provider or 911 immediately.
This content is for informational purposes only and is not medical advice. Every pregnancy and baby is different. Always consult your doctor, midwife, or pediatrician for guidance specific to your situation.
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