Week 13 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 peach
2.9 inches · 0.8 oz
Baby this week
- •Fingerprints are forming on fingers and toes
- •Vocal cords are developing
- •Baby can now make sucking motions
- •Intestines are moving into the abdomen from the umbilical cord
You this week
- •Energy levels may be returning as first trimester fatigue eases
- •Nausea often begins to improve this week
- •Continued breast tenderness and sensitivity
- •Possible occasional dizziness or lightheadedness
- •Growing appetite as morning sickness subsides
This week's tips
- •Schedule your second trimester screening (quad screen or NIPT) if you haven't already—this is the ideal window
- •Start thinking about when and how you want to share your pregnancy news, now that you're entering the second trimester
- •Stay hydrated and eat regular, balanced meals to support renewed energy and growing appetite
- •Consider maternity clothes if you're feeling uncomfortable in regular pants; you don't have to wait until you're showing much more
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
Welcome to the second trimester! Many people find this the most comfortable phase of pregnancy, with energy returning and the risk of miscarriage dropping significantly. Your baby is growing steadily, and you may start feeling movements within the next few weeks.
Track your pregnancy on BringBaby
Join free to track your pregnancy week-by-week and find baby-friendly places to visit as baby grows.
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.
More free tools
Looking for places to bring baby?
Explore BringBaby