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How does caffeine affect breastmilk?

The Impact of Caffeine on Breastmilk: What New Mothers Should Know
Caffeine is a staple in many adults’ diets, often consumed in coffee, tea, and various soft drinks. For breastfeeding mothers, the question of how caffeine affects breastmilk and, consequently, their infants is a significant concern. Understanding the dynamics of caffeine transfer into breastmilk and its potential effects on babies can help mothers make informed choices.
Caffeine Transfer to Breastmilk
When a breastfeeding mother consumes caffeine, it does indeed pass into her breastmilk. However, the concentration of caffeine in breastmilk is relatively low compared to the amount consumed. Research indicates that caffeine levels in breastmilk peak approximately two hours after consumption, which means that timing can play a crucial role in managing caffeine intake.
The general consensus among health organizations is that moderate caffeine consumption—defined as 200-300 mg per day, or about 2-3 cups of coffee—is considered safe for breastfeeding mothers. This amount is unlikely to cause adverse effects in most infants. For context, an average 8 oz cup of coffee contains between 95-165 mg of caffeine, while black tea contains about 25-48 mg.
Potential Effects on Infants
While moderate caffeine intake is generally deemed safe, there are some caveats. High caffeine consumption—around 10 cups or more—has been associated with negative outcomes such as increased fussiness, jitteriness, and disrupted sleep patterns in infants. These effects are more pronounced in newborns and younger infants, whose bodies metabolize caffeine more slowly than adults.
Moreover, some studies have suggested a correlation between maternal caffeine consumption and issues such as increased infant colic and exacerbation of atopic dermatitis. However, these findings are not universally accepted, and more research is needed to establish definitive links.
Health Benefits and Considerations
Interestingly, caffeine may also offer some health benefits. For instance, moderate caffeine consumption has been linked to a reduced risk of certain diseases, which can be beneficial for mothers. However, it is essential for breastfeeding mothers to monitor their caffeine intake and observe their infants for any signs of sensitivity.
Conclusion
In summary, caffeine does pass into breastmilk, but moderate consumption is generally safe for breastfeeding mothers and their infants. Mothers should aim to limit their intake to less than 300 mg per day and be mindful of their baby’s reactions. As always, consulting with healthcare providers can provide personalized guidance tailored to individual circumstances. Balancing the enjoyment of caffeine with the well-being of their child is a manageable task for many new mothers.

What are two risks of having too much caffeine during pregnancy?

Current studies show that maternal caffeine exposure not only severely disrupts embryo implantation but also disrupts ongoing midterm fetal growth and development, resulting in pregnancy loss, low birth weight, and impaired brain development in offspring on postnatal day 6 (P6) [35–38,55].

What foods decrease milk supply?

Top 5 food / drinks to avoid if you have a low milk supply:

  • Carbonated beverages.
  • Caffeine – coffee, black tea, green tea, etc.
  • Excess Vitamin C & Vitamin B –supplements or drinks with excessive vitamin C Or B (Vitamin Water, Powerade, oranges/orange juice and citrus fruits/juice.)

Does caffeine keep baby awake through breast milk?

What This Study Adds: In this setting where caffeine is largely consumed in pregnancy and by nursing mothers, heavy consumption (≥300 mg/day) did not increase the number of nighttime awakenings by their 3-month-old infants.

How do I know if caffeine is affecting my breastfed baby?

Your caffeine intake is something to consider adjusting if your baby seems to be extremely fussy and has a hard time settling, even if you are drinking less than five cups of caffeinated beverages a day.

Can too much caffeine hurt my baby?

New IRP research suggests that exposure to caffeine in the womb may affect brain development in a way that puts children at a greater risk for future obesity.

What happens to a baby when the mother drinks caffeine?

Elevated behavioral issues, attention difficulties, and hyperactivity are all symptoms that researchers observed in these children. “What makes this unique is that we have a biological pathway that looks different when you consume caffeine through pregnancy,” said Zachary Christensen, a M.D/Ph.

How much caffeine transfers to breast milk?

Transfer of Caffeine in Breastmilk
It is estimated that between 0.06% and 1.5% of maternal caffeine consumed is transferred to the infant via breastmilk. This means for a mother who consumes 300 mg of caffeine in a day, the dose to the infant would be between 0.18 mg and 4.5 mg of caffeine.

Does caffeine hurt your breast milk supply?

Finally, mothers may be concerned that caffeine decreases breast milk production. However, some research suggests that moderate consumption may actually increase breast milk supply ( 9 ).

How long should I wait to breastfeed after drinking coffee?

Feed your baby before you take in any caffeine. Then, wait at least three hours before breastfeeding again. This should give your system enough time to process the caffeine and avoid spreading it through breast milk. Reduce your caffeine consumption to one cup of coffee per day.

What foods should I avoid when breastfeeding for gas?

If you notice that each time you eat something your baby becomes fussy, try avoiding the food for a while and see what happens. Many mothers have reported foods such as kale, spinach, beans, onions, garlic, peppers or spicy foods cause infant gas, while many babies tolerate these foods just fine.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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