Week 17 of Pregnancy
Second 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 turnip
5.1 inches · 5.9 oz
Baby this week
- •Ears are now in their final position on the sides of the head
- •Baby can hear sounds, including your voice and heartbeat
- •Bones are beginning to harden and become less cartilage-like
- •Fat deposits are starting to form under the skin for temperature regulation
- •Sweat glands are developing
You this week
- •Round ligament pain (sharp twinges in the lower abdomen or sides)
- •Continued breast tenderness and possible darkening of areolas
- •Increased appetite as metabolism speeds up
- •Potential nasal congestion or nosebleeds (pregnancy rhinitis)
- •Increased vaginal discharge
- •Occasional dizziness or lightheadedness
This week's tips
- •Stay hydrated—aim for 8-10 glasses of water daily to support increased blood volume and prevent dizziness
- •Wear supportive bras to manage breast changes and discomfort
- •Use a pregnancy pillow or regular pillow between your knees when lying down to ease round ligament pain
- •Practice prenatal yoga or gentle stretching to maintain flexibility and ease discomfort
- •If you haven't already, schedule your mid-pregnancy anatomy ultrasound (typically done around weeks 18-20)
Informational only — always check with your doctor or midwife for advice specific to you and your baby.
Looking ahead
By next week, you may start feeling more of baby's movements as they grow stronger. Many people describe these early movements as fluttering, bubbles, or gentle taps—sensations that will become more distinct over the coming weeks.
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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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