Feeding Your Baby: Breastfeeding, Pumping & Bottle Feeding

Feeding a baby can feel overwhelming, especially with the amount of advice available online.

Some families exclusively breastfeed. Others pump, formula feed, combination feed, or do a little bit of everything.

There is no single "right" way to feed a baby.

The goal is simple: a fed baby, a supported parent, and a feeding plan that works for your family.

Understanding How Milk Production Works

Breast milk production is largely driven by two hormones:

Prolactin

Prolactin is often called the "milk-making hormone."

When milk is removed from the breasts through nursing or pumping, signals are sent to the brain to produce more prolactin and make more milk.

Simply put:

Empty breasts = signal to make more milk

Full breasts = signal to make less milk

This is why frequent milk removal is one of the most important factors in establishing and maintaining milk supply.

Oxytocin

Oxytocin is often called the "love hormone."

It helps trigger the let-down reflex, allowing milk to flow from the breast.

Oxytocin is also involved in:

• Parent-baby bonding

• Emotional connection

• Trust and attachment

• Labor contractions

• Relaxation and feelings of well-being

Many parents experience a tingling, pulling, or flowing sensation when milk lets down, although some parents never feel their let-down at all, which is also normal.

The Stages of Breast Milk

Colostrum

Colostrum is the first milk your body produces.

It is often thick, yellow, or golden in color.

Although the volume is small, it is packed with:

• Antibodies

• Protein

• Immune-supporting factors

• Nutrients perfectly designed for a newborn

Colostrum also helps babies pass their first stools (meconium).

Transitional Milk

Around days 3-5 postpartum, milk volume begins increasing.

This transitional milk contains more fat, calories, and fluid than colostrum.

Many parents refer to this stage as:

"My milk came in."

Mature Milk

By approximately the end of the first week, mature milk becomes established.

Breast milk continues changing throughout your breastfeeding journey and adapts to your growing baby's needs.

Hunger Cues

Babies usually show signs of hunger before crying.

Early hunger cues include:

• Stirring

• Rooting

• Turning their head side to side

• Bringing hands to mouth

• Sucking on fingers

• Opening and closing their mouth

Crying is generally considered a late hunger cue.

Fullness Cues

Babies also show signs when they are finished eating.

Common fullness cues include:

• Relaxed hands

• Slower sucking

• Turning away

• Falling asleep

• Releasing the breast or bottle

• Looking calm and satisfied

Learning your baby's cues often becomes easier with time.

Cluster Feeding

Many parents worry that frequent feeding means they do not have enough milk.

Often this is not the case.

Cluster feeding is a normal newborn behavior where babies feed frequently over a short period of time.

Cluster feeding commonly occurs:

• During growth spurts

• During developmental leaps

• In the evening hours

• During periods of rapid growth

Frequent feeding helps stimulate milk production and should not automatically be viewed as a supply problem.

Pumping Basics

Pumping can be used for:

• Occasional bottles

• Returning to work

• Building a freezer stash

• Combination feeding

• Exclusive pumping

Remember:

Your pump is not your baby.

Many babies remove milk more effectively than a pump.

The amount you pump does not always reflect your actual milk supply.

Pumping output can vary depending on:

• Time of day

• Stress

• Sleep

• Flange fit

• Pump settings

• How recently baby fed

Flange Size Matters

Many pumping parents assume flange size is based on breast size.

It is not.

Flange size is based on the size of your nipple.

A flange that is too large or too small may cause:

• Pain

• Nipple damage

• Nipple swelling

• Reduced pumping output

• Poor milk removal

• Uncomfortable pumping sessions

Many parents benefit from measuring their nipples and checking flange fit throughout their pumping journey.

It is also common for each breast to require a different flange size.

As a Certified Lactation Educator, I can help guide clients through proper flange sizing and pumping basics.

Signs Your Flange Fits Properly

You may have the correct flange size if:

• Pumping is comfortable

• Your nipple moves freely in the flange tunnel

• Minimal areola is pulled into the tunnel

• Your nipples do not rub against the sides

• Your breasts feel softer after pumping

• Milk output remains steady or improves

Paced Bottle Feeding

Whether your baby receives breast milk, formula, or both, paced bottle feeding is often recommended.

Paced feeding helps a bottle feed more like breastfeeding.

With paced feeding:

• Baby is held upright

• The bottle is held more horizontally

• Frequent pauses are offered

• Baby controls the pace of feeding

Benefits include:

• Better recognition of fullness cues

• Reduced risk of overfeeding

• Better feeding coordination

• Easier transitions between breast and bottle

The goal is to let baby lead the feeding rather than encouraging them to finish the bottle.

Side-Lying Bottle Feeding

Side-lying bottle feeding is another feeding position that many families find helpful.

In this position:

• Baby lies safely on their side

• Caregiver sits directly in front of baby

• Bottle is offered at baby's pace

This position can:

• Slow milk flow

• Support paced feeding

• Give baby more control

• Improve suck-swallow-breathe coordination

Side-lying bottle feeding is particularly helpful for younger babies and babies who tend to drink too quickly.

It is not the same as propping a bottle or leaving a baby unattended.

Breast Milk & Your Baby's Internal Clock

Breast milk changes throughout the day.

Morning milk typically contains higher levels of cortisol, a hormone associated with alertness.

Nighttime milk contains higher levels of melatonin, a hormone associated with sleep.

Many pumping parents choose to write the exact pumping time on storage bags or bottles.

Examples:

• Pumped at 7:00 a.m.

• Pumped at 12:00 p.m.

• Pumped at 8:00 p.m.

• Pumped at 2:00 a.m.

When practical, offering milk at a similar time to when it was pumped may help support your baby's developing circadian rhythm.

For a more detailed explanation, see the Breast Milk, Hormones & Your Baby's Internal Clock resource.

Breast Milk Storage Basics

Freshly Pumped Milk

• Counter: Up to 4 hours

• Refrigerator: Up to 4 days

• Freezer: About 6 months is ideal, up to 12 months is acceptable

Thawed Milk

• Use within 24 hours of complete thawing

• Do not refreeze

Warmed Milk

• Use within 2 hours

Always label milk with:

• Date

• Time pumped

Store milk toward the back of the refrigerator or freezer rather than in the door, where temperatures fluctuate.

Why Does My Frozen Milk Smell Different?

Some parents notice that frozen milk smells:

• Soapy

• Metallic

• Sour

This is often caused by a naturally occurring enzyme called lipase.

Lipase helps break down fats and is completely normal.

The milk is usually safe to use, although some babies dislike the taste.

If your baby consistently refuses frozen milk, speak with a lactation professional about possible solutions.

Combining Breast Milk

You may safely combine milk pumped during the same day if the freshly pumped milk has first been cooled in the refrigerator.

Many parents call this "layering."

General guidelines:

• Cool fresh milk before adding it to refrigerated milk

• Cool fresh milk before adding it to frozen milk

• Label milk appropriately

• Avoid adding warm milk directly to frozen milk

• Store milk in amounts your baby typically drinks to reduce waste

Formula Feeding and Combination Feeding

Many healthy babies receive:

• Breast milk

• Formula

• A combination of both

Combination feeding can provide flexibility and support families in many different situations.

There is no award for feeding your baby one specific way.

The best feeding plan is one that supports both baby and parent.

Fenugreek and Milk Supply

Fenugreek is one of the most well-known herbal supplements used to support breast milk production.

For many years it was commonly recommended as a natural way to increase milk supply. However, more recent research has shown mixed results, and many lactation professionals no longer recommend it as a first-line option. Studies have found limited evidence that fenugreek consistently increases milk production. [breastfeed...ng-mom.com]

Some parents report an increase in milk supply while taking fenugreek, others notice no change, and a small number report a decrease in milk production after starting it. Because responses vary significantly from person to person, it can be difficult to predict how an individual will respond. [biologyinsights.com], [thebreastf...ngmama.com]

Possible Side Effects

Fenugreek may cause:

• Gas or digestive upset in mom or baby

• Diarrhea

• Stomach discomfort

• Oversupply

• A maple syrup-like smell in sweat or urine

• Allergic reactions in sensitive individuals [breastfeed...ng-mom.com], [milky-mama.com]

Allergy Warning

Fenugreek belongs to the legume family.

Parents with allergies to:

• Peanuts

• Chickpeas

• Other legumes

should use caution and discuss fenugreek with their healthcare provider before use. [breastfeed...ng-mom.com], [milky-mama.com]

Diabetes and Thyroid Concerns

Fenugreek may affect blood sugar levels and may not be appropriate for some individuals with diabetes or thyroid conditions.

Always discuss supplements with your healthcare provider if you have a medical condition or take medications regularly. [breastfeed...ng-mom.com], [milky-mama.com]

The Most Important Thing to Remember

No supplement works as well as effective and frequent milk removal.

The number one factor that supports milk production is regularly removing milk through:

• Breastfeeding

• Pumping

• Hand expression

If you are concerned about milk supply, a consultation with an IBCLC or Certified Lactation Educator is often more helpful than starting supplements without first identifying the root cause of the problem.

Common Feeding Myths

"Frequent feeding means I don't have enough milk."

Not necessarily.

Frequent feeding is normal, especially during the newborn period.

"I only pumped two ounces. I must have low supply."

Not necessarily.

Your pump is not your baby, and pumping output alone cannot accurately measure milk supply.

"Formula-fed babies always sleep better."

Not always.

Sleep is influenced by many factors besides feeding type.

"Holding a baby during feeding creates bad habits."

No.

Feeding is one of the primary ways babies develop trust, attachment, and security.

A Reassuring Note

Feeding your baby is about more than ounces.

It is about nourishment, comfort, connection, regulation, and relationship-building.

Whether you breastfeed, pump, formula feed, or use a combination of methods, remember:

You do not need to feed your baby perfectly.

You simply need to feed your baby with love, responsiveness, and consistency.

A fed baby, a supported parent, and a thriving family are what matter most. 💛