Things to avoid during pregnancy

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Published 21 May 2025 | Written by Dr Martin Jones

Pregnancy is a beautiful journey, but it also requires extra care and caution. While expecting, your choices can significantly impact both your health and your baby’s development. To ensure a safe and healthy pregnancy, it's important to understand what should be avoided during this delicate time.

In this guide, we’ll explore key things to avoid during pregnancy to help you stay informed and make safe choices throughout the three stages of pregnancy.


1. Avoid Harmful Foods and Beverages

Your diet plays a crucial role in your baby's growth. Here’s what to stay away from:

  • Raw or undercooked meat and eggs: These can carry harmful bacteria like Salmonella or Listeria.

  • Unpasteurized dairy products: Avoid soft cheeses like Brie, Feta, and blue cheese unless they are labeled pasteurized.

  • High-mercury fish: Limit or avoid shark, swordfish, king mackerel, and tilefish.

  • Raw seafood and sushi: May contain parasites or bacteria harmful during pregnancy.

  • Excess caffeine: Limit intake to 200 mg per day (about one 12-ounce cup of coffee).

  • Alcohol: There is no known safe level of alcohol during pregnancy; it should be avoided entirely.


2. Avoid Smoking and Secondhand Smoke

Smoking during pregnancy can lead to premature birth, low birth weight, and birth defects. Even exposure to secondhand smoke can harm your baby’s development and increase the risk of respiratory issues and sudden infant death syndrome (SIDS). Stay in smoke-free environments whenever possible.


3. Avoid Certain Medications

Not all medicines are safe during pregnancy. Common over-the-counter or prescription drugs can pose risks.

  • Always consult your doctor before taking painkillers, cold medicines, acne treatments (like isotretinoin), or antibiotics.

  • Avoid herbal supplements unless approved by your healthcare provider.


4. Avoid Excessive Physical Strain

While moderate exercise is encouraged, certain activities can be dangerous:

  • Contact sports like soccer, basketball, or martial arts.

  • High-risk activities such as skiing, horseback riding, or scuba diving.

  • Heavy lifting or tasks that require standing for prolonged periods.

Stay active with low-impact options like walking, swimming, or prenatal yoga, with your doctor’s guidance.


5. Avoid Toxic Substances

Daily exposure to certain chemicals or toxins can be harmful during pregnancy:

  • Avoid cleaning products with harsh fumes, pesticides, and paint thinners.

  • Steer clear of lead, mercury, and chemical solvents.

  • If you work in an environment with chemical exposure, inform your employer and take proper safety precautions.


6. Avoid Hot Tubs and Saunas

Overheating can pose risks to your developing baby, especially in the first trimester. High temperatures from hot tubs, steam rooms, or long hot baths can increase the risk of neural tube defects. Keep baths warm but not excessively hot.


7. Avoid Stress and Sleep Deprivation

Pregnancy brings hormonal changes and physical discomfort that can impact mental well-being. Chronic stress and lack of sleep can affect your pregnancy by increasing the risk of premature labor or low birth weight. Prioritize rest, relaxation, and self-care techniques such as:

  • Gentle exercise

  • Meditation or breathing exercises

  • Connecting with loved ones

  • Attending prenatal classes or therapy sessions if needed


8. Avoid Skipping Prenatal Appointments

Regular checkups are vital to monitor your baby’s development and detect any complications early. Skipping these appointments can delay important screenings and support. Make it a priority to attend all scheduled visits and share any concerns with your doctor.


9. Avoid Wearing Tight Clothing or High Heels

As your body changes, so should your wardrobe:

  • Choose loose, breathable clothing to stay comfortable and reduce the risk of yeast infections.

  • Avoid high heels to prevent falls and reduce back strain. Opt for supportive, flat footwear instead.


10. Avoid Negative Self-Talk or Comparison

Pregnancy is a unique journey for every woman. Avoid comparing your experience with others or stressing about body changes. Focus on nurturing yourself and celebrating this special phase.


Final Thoughts

Pregnancy is not only about doing the right things  it's also about knowing what to avoid. With the right knowledge and support, you can protect your health and give your baby the best start in life.

Remember, every pregnancy is different. Always consult your doctor or midwife if you are unsure about something. Stay informed, stay calm, and enjoy the beautiful transformation happening within you.