Everything You Need To Know About Omega-3 During Pregnancy

A complete guide to why omega-3 matters in pregnancy.

Everything You Need To Know About Omega-3 During Pregnancy

12 Jan 2026

Omega-3 fatty acids play a vital role in supporting a healthy pregnancy, benefiting both mum and baby. Understanding why omega-3 is important, when to take it, and how to get enough can help you make confident choices to support your pregnancy journey.

"Getting enough omega-3 in pregnancy isn’t just about your baby’s brain and eye development—it’s also about protecting your heart, supporting your mind, and strengthening your long-term health well beyond birth." Professor Mark Johnson, Consultant Obstetrician & Founder of Nurture

This comprehensive guide covers everything you need to know about omega-3 during pregnancy — from its role and benefits to the best sources and safety considerations.

What Are Omega-3 Fatty Acids?

Omega-3s are essential fats that your body can’t make on its own, so you need to get them through diet or supplements. The two key types important in pregnancy are:

  • DHA (docosahexaenoic acid): Crucial for baby’s brain and eye development.
  • EPA (eicosapentaenoic acid): Supports maternal heart and immune health.

Why Is Omega-3 Important During Pregnancy?

Omega-3 fatty acids support:

  • Baby’s brain, eye, and nervous system development. DHA accumulates rapidly in the fetal brain during pregnancy.
  • Maternal health, including cardiovascular and immune function, mood regulation, and inflammation reduction.
  • Reducing risk of preterm birth and low birth weight.
  • Supporting breastfeeding, as DHA is transferred through breast milk.

How Much Omega-3 Do You Need?

Health organisations recommend pregnant women consume at least 200-300 mg of DHA daily. Many women don’t reach this level through diet alone, making supplementation beneficial.

When Should You Start Taking Omega-3?

It’s best to start omega-3 supplementation before conception or as early as possible in pregnancy to ensure adequate levels during critical stages of fetal development. Continuing through pregnancy and breastfeeding supports ongoing needs.

Sources Of Omega-3

  • Foods: Fatty fish like salmon, mackerel, and sardines are rich sources. Plant sources like flaxseeds and walnuts contain ALA, a less effective omega-3 form.
  • Supplements: High-quality fish oil or algae-based DHA supplements provide concentrated omega-3s suitable for pregnancy.

Is Omega-3 Supplementation Safe?

Yes, omega-3 supplements from reputable sources are safe during pregnancy. Look for purified, third-party tested products to avoid contaminants like mercury.

Final Thoughts

Omega-3 is a crucial nutrient during pregnancy that supports your baby’s development and your own health. Incorporating omega-3 through diet and supplements helps ensure you meet your body’s increased needs.

Ready to support your pregnancy with expert-formulated omega-3 supplements? Explore Nurture’s DHA-rich prenatal supplements designed for optimal absorption and purity. 

Spread the word
DHA EPA NurtureOmega Omega-3
Back to blog