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 · 0.49 oz
Baby this week
- •Fingers and toes are fully separated
- •Fingernails and toenails are beginning to form
- •Baby can make a fist and may be sucking their thumb
- •Brain development is rapidly accelerating
- •Reflexes are becoming more developed
You this week
- •Nausea may start to ease as you approach the second trimester
- •Continued breast tenderness and tingling
- •Increased appetite as energy levels improve
- •Possible mood swings from hormonal changes
- •Occasional dizziness or lightheadedness
- •Continued fatigue, though it may be lessening
This week's tips
- •Schedule your nuchal translucency ultrasound (dating scan) if you haven't already—this is often done between weeks 11-14
- •Start thinking about when and how you want to share your pregnancy news, if you haven't already
- •Begin exploring prenatal classes or birth education options for later in pregnancy
- •Continue taking prenatal vitamins and stay hydrated
- •Listen to your body—rest when you need to, even as energy improves
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
You're about to enter the second trimester, often called the 'honeymoon phase' of pregnancy. Many people experience relief from early pregnancy symptoms and a surge of energy and excitement as baby's heartbeat becomes even stronger.
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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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