Week 17 of Pregnancy – During your 17th week of pregnancy, you are getting closer to that half way point! Here is what you can expect with your pregnancy, from milestones to how your baby will be developing.
Your Baby’s Development at 17 Weeks
At 17 weeks, your baby is growing rapidly, measuring about 5 inches long and weighing around 5 ounces (Mayo Clinic, 2023). This is an important week for your baby! The skeletal system is continuing to harden from cartilage to bone, and brown fat is forming, which will help regulate body temperature after birth. Your baby’s heartbeat is now stronger and can be heard with a Doppler device at prenatal appointments.

Key Milestones This Week:
‘Here are the key milestones you can expect with your baby’s growth:
- Size: About the size of a pomegranate.
- Heartbeat: Strong and detectable with a Doppler.
- Fat Development: Brown fat begins forming.
- Movement: Baby’s movements may become more noticeable.
Changes in Your Body at Week 17
You may notice that your body is rapidly changing! As your pregnancy progresses, you may experience several changes in your body, including:
Increased Blood Flow
Have you noticed that your veins are more visible? Your body is producing more blood to support your baby, which can lead to visible veins, a healthy glow, and sometimes nasal congestion due to increased mucus production (ACOG, 2023).
Round Ligament Pain
Always keep track of pains! As your uterus expands, the ligaments supporting it stretch, leading to sharp or aching pains in your lower belly or groin. This is normal but can be uncomfortable (Johns Hopkins Medicine, 2023).
Weight Gain
You may be gaining weight! At this stage, weight gain becomes more noticeable. The recommended range is about 0.5–1 pound per week, depending on your pre-pregnancy weight (CDC, 2023).
Common Symptoms at 17 Weeks
There are symptoms that you may be experiencing. Some Moms to be experience some symptoms that develop around this time period. You might notice the following symptoms:
- Increased Appetite: Your metabolism is working harder, so you may feel hungrier.
- Backaches: The extra weight and shifting center of gravity can strain your lower back.
- Vivid Dreams: Hormonal changes can lead to more intense dreams.
- Skin Changes: Some women develop dark patches on their face due to hormonal shifts, known as the mask of pregnancy or melasma.
Tips for a Healthy Pregnancy This Week
Your health is integral. Here are some simple things you can do to give yourself a healthy lifestyle. Always talk to your doctor before any dietary changes.
- Stay Hydrated: Increased blood volume means you need more water.
- Eat Iron-Rich Foods: Help prevent anemia by eating lean meats, spinach, and fortified cereals.
- Exercise Safely: Prenatal yoga or walking can help with circulation and back pain relief.
- Manage Stress: Meditation or prenatal massage may help reduce anxiety.
When to Call Your Doctor
Sometimes, a feeling, ache or pain just does not feel right. Don’t be shy, speak up about it! While most symptoms are normal, call your healthcare provider if you experience:
- Severe abdominal pain or cramping
- Vaginal bleeding or fluid leakage
- Severe headaches or vision changes
- Significant swelling in your hands, feet, or face
Frequently Asked Questions
Here are some frequently asked questions from [parents to be about week 17 of pregnancy:
Can I feel my baby move at 17 weeks?
Yes! Many women start feeling flutters or quickening around this time, though it may be subtle.
Is it normal to feel breathless?
Yes, as your body pumps more blood and your uterus expands, mild breathlessness is common. However, severe difficulty breathing should be checked by a doctor.
Should I start sleeping on my side?
Yes, sleeping on your left side improves circulation to your baby. Use a pregnancy pillow for extra support.
Key Takeaways
- Your baby’s bones are hardening, and their heartbeat is strong.
- Common symptoms include round ligament pain, increased appetite, and vivid dreams.
- Hydration, balanced nutrition, and gentle exercise can help support a healthy pregnancy.
- Contact your doctor if you experience severe pain, bleeding, or unusual swelling.
By Week 17, you’re nearly halfway through pregnancy! Stay tuned for Week 18’s updates on fetal growth, body changes, and tips for a healthy second trimester.
References
- American College of Obstetricians and Gynecologists. (2023). Pregnancy and Your Body. Retrieved from www.acog.org
- Centers for Disease Control and Prevention. (2023). Healthy Weight Gain During Pregnancy. Retrieved from www.cdc.gov
- Johns Hopkins Medicine. (2023). Pregnancy Symptoms and What to Expect. Retrieved from www.hopkinsmedicine.org
- Mayo Clinic. (2023). Fetal Development: Second Trimester. Retrieved from www.mayoclinic.org