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Pregnancy at 15 to 18 Weeks

Medically reviewed by Last updated on Feb 4, 2024.

What changes are happening in my body?

Now that you are in your second trimester, you have more energy. You may also feel hungrier than usual. You may start to experience other symptoms, such as heartburn or dizziness. You may be gaining about ½ to 1 pound a week, and your pregnancy is beginning to show. You may need to start wearing maternity clothes.

How do I care for myself at this stage of my pregnancy?

Tips for a Healthy Pregnancy

What are some safety tips during pregnancy?

What changes are happening with my baby?

By 18 weeks, your baby may be about 6 inches long from the top of the head to the rump (baby's bottom). Your baby may weigh about 11 ounces. You may be able to feel your baby's movement at about 18 weeks or later. The first movements may not be that noticeable. They may feel like a fluttering sensation. Your baby also makes sucking movements and can hear certain sounds.

What do I need to know about prenatal care?

During the first 28 weeks of your pregnancy, you will see your healthcare provider once a month. Your healthcare provider will check your blood pressure and weight. You may also need any of the following:

When should I seek immediate care?

When should I call my doctor or obstetrician?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.