Week 17 of Pregnancy

Pregnancy Week 17 brings steady growth, as your baby's skeleton continues hardening and the umbilical cord grows stronger. Healthcare providers calculate pregnancy from the first day of your last menstrual period, and by week 17 your baby is often compared to the size of an onion or a pomegranate.

Understanding week 17 of pregnancy can help you know what is happening in your body as your bump continues to grow noticeably during this stage.

What Happens During Week 17 of Pregnancy?

During week 17, your baby's skeleton continues shifting from soft cartilage to firmer bone, the umbilical cord continues thickening and strengthening, and early sweat glands begin developing under the skin.

As your body continues adjusting to the second trimester, many people notice steady, comfortable growth alongside some new physical changes this week.

What Are the Symptoms of Pregnancy in Week 17?

Pregnancy symptoms in week 17 often reflect a growing bump and ongoing changes in circulation.

• Round Ligament Pain

Brief, mild aches on the sides of the lower abdomen can continue as the uterus grows.

• Occasional Dizziness

Changes in blood pressure and circulation can occasionally cause light-headedness, especially when standing quickly.

• Increased Appetite

Appetite often continues to grow steadily as your baby's nutritional needs increase.

• Backache

As your bump grows, changes in posture can continue to cause mild back discomfort.

• Leg Cramps

Some people begin to notice occasional leg cramps, particularly at night.

Baby Development in Week 17

• Skeleton Continues Hardening

Your baby's skeleton continues shifting from soft cartilage to firmer, stronger bone.

• Umbilical Cord Strengthens

The umbilical cord continues growing thicker and stronger to support your baby's nutritional needs.

• Sweat Glands Develop

Early sweat glands begin forming under your baby's skin this week.

How Does Your Body Change During Week 17?

Week 17 is mainly characterised by a steadily growing bump and continued weight gain.

• Uterus Rises Further

Your uterus continues rising, moving closer toward the level of your belly button.

• Weight Gain Continues

Steady, healthy weight gain often continues as your baby grows.

• Stretch Marks May Appear

As skin stretches to accommodate your growing bump, some people begin to notice stretch marks.

What Should You Eat During Week 17 of Pregnancy?

A nutrient-dense diet remains important in week 17, especially as your baby's bones and umbilical cord continue strengthening.

• Choose Calcium-Rich Foods

Calcium supports your baby's hardening bones. Milk, yoghurt, cheese and leafy greens are useful sources.

• Choose Iron-Rich Foods

Iron supports your rising blood volume and helps prevent fatigue. Good sources include lean meat, beans, chickpeas, lentils and spinach.

• Include Protein in Your Diet

Protein supports your baby's rapidly developing organs and tissues. Eggs, fish, chicken, paneer, tofu, beans and lentils are useful sources.

• Eat Plenty of Fruits and Vegetables

Fruits and vegetables provide vitamins, minerals and fibre that support digestion and overall health.

• Stay Hydrated

Adequate water intake can help ease leg cramps and support increasing blood volume.

What Foods and Substances Should You Avoid?

As your baby's skeleton and organs continue developing, avoiding certain substances and foods remains an important part of a healthy pregnancy.

• Alcohol and Tobacco

Avoid alcohol and smoking completely, as they can affect your baby's developing brain and organs.

• Excessive Caffeine

Keep caffeine intake within the limits recommended by your healthcare provider.

• Raw or Undercooked Foods

Choose properly cooked foods and follow good food-safety practices, avoiding raw or undercooked meat, eggs, unpasteurised dairy and high-mercury fish.

• Highly Processed Foods

Limit foods high in added sugars, excess salt and unhealthy fats, and focus instead on a varied, nutrient-rich diet.

Exercise During Week 17 of Pregnancy

Gentle movement can help ease backaches and leg cramps and support overall comfort, though it is important to listen to your body and rest when needed.

Choose activities that are comfortable for your fitness level, and avoid suddenly starting strenuous exercise without appropriate guidance.

• Walking and Gentle Exercise

Walking is a simple, low-impact way to stay active and can help support circulation and posture.

• Stretching and Yoga

Gentle stretching and suitable prenatal yoga practices can support flexibility, relaxation and help ease leg cramps.

How Can You Prepare for a Healthy Pregnancy?

Week 17 is a good time to continue building healthy habits and preparing for your upcoming anatomy scan.

• Confirm Your Anatomy Scan Date - Make sure your anatomy scan, typically scheduled between weeks 18 and 22, is booked.

• Continue Prenatal Vitamins - Keep taking a prenatal vitamin with folic acid as recommended by your doctor.

• Rise Slowly to Ease Dizziness - Standing up slowly from sitting or lying positions can help reduce light-headedness.

• Get Adequate Rest - Continue prioritising sleep and rest as your body adjusts to a growing bump.

• Manage Stress - Practice relaxation techniques such as meditation, gentle yoga or deep breathing.

What Tests and Checkups Are Useful During Week 17?

Your healthcare provider may recommend a combination of tests around this stage to confirm your baby's development and monitor your health.

• Routine Prenatal Check-Up

Regular check-ups continue to monitor your health and your baby's growth.

• Blood Pressure and Urine Checks

Routine monitoring continues to track your overall health throughout the second trimester.

• Fundal Height Measurement

Your provider may begin measuring the height of your uterus to track your baby's growth.

Week 17 Pregnancy Care Tips

A few simple habits can help you manage symptoms and support your baby's development this week:

• Continue taking prenatal vitamins with folic acid.

• Eat balanced, nutritious meals to support your growing baby.

• Stay well hydrated throughout the day.

• Get plenty of rest.

• Avoid alcohol, smoking and unapproved medications.

• Confirm your anatomy scan appointment is booked.

• Manage stress with relaxation techniques.

• Avoid self-medicating without consulting your doctor.

When Should You Consult a Doctor?

Some symptoms should not be dismissed without medical evaluation. Speak with a healthcare provider if you experience heavy vaginal bleeding, severe abdominal pain, high fever, severe dizziness or fainting, severe vomiting, or unusual vaginal discharge.

If you have an existing health condition or take regular medication, discussing your health with a healthcare provider early in pregnancy is recommended.

Frequently Asked Questions About Pregnancy Week 17

• How big is my baby at week 17?

Your baby is typically about the size of an onion or pomegranate at week 17, with a skeleton continuing to harden into bone.

• Why do I get dizzy during pregnancy?

Changes in blood pressure and circulation can occasionally cause light-headedness, especially when standing up quickly.

• Are leg cramps normal at week 17?

Yes. Occasional leg cramps, particularly at night, are a common experience during this stage of pregnancy.

• What should I eat during Week 17?

Focus on calcium, iron and protein-rich foods, along with fruits and vegetables, to support your baby's developing bones and organs.

• Can I exercise during Week 17?

If you are healthy and have no medical restrictions, gentle activities such as walking and prenatal yoga can support overall fitness during this stage.

• When should I see a doctor during Week 17?

Seek medical advice for heavy vaginal bleeding, severe abdominal pain, high fever, severe dizziness or fainting, severe vomiting, or other unusual or concerning symptoms.