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 fingertips and toes
- •Vocal cords are developing
- •Baby can make sucking motions
- •Hair follicles and nail beds are forming
- •Intestines are moving into position in the abdomen
You this week
- •Morning sickness may be easing for many
- •Increased appetite as nausea subsides
- •Continued breast tenderness
- •Occasional dizziness or lightheadedness
- •Possible bloating and constipation
- •Fatigue may still be present
This week's tips
- •Celebrate entering the second trimester—this is a major milestone worth acknowledging
- •Schedule your second trimester screening (typically done between weeks 15-20) if you haven't already
- •Start thinking about maternity clothes if regular clothes are feeling tight; layering can extend your regular wardrobe
- •Stay hydrated and eat regular meals to combat any remaining fatigue
- •Consider starting prenatal exercises like walking or prenatal yoga with provider approval
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
Many people experience a burst of energy and improved mood as you move into the second trimester. You may start showing more noticeably over the coming weeks, and your baby's movements will soon become detectable.
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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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