FeedingNewbornDevelopment

Breastfeeding, Formula & Starting Solids: A Psychologist-Mom's Complete Feeding Guide

By Dr. Sharon Fried Buchalter, Ph.D.Founder, Little Toes®June 2026 

Breastfeeding, Formula & Starting Solids

Dr. Sharon Fried Buchalter, Ph.D. · Little Toes®

Of all the decisions a new parent makes, how they feed their baby is among the most emotionally charged. It intersects with physical capability, cultural expectation, workplace reality, postpartum mental health, and a running background score of unsolicited advice from nearly every direction. As a Clinical Psychologist, I have sat with mothers who wept over latching difficulties. I have held space for fathers who felt helpless watching their partners struggle with supply issues. I have also celebrated the profound joy that feeding — in any form — represents when it is working.

My position, informed by both research and years of clinical practice: there is no single right way to feed a healthy baby. The right way is the one that is nutritionally adequate, emotionally sustainable, and built on accurate information rather than shame or social pressure. This guide provides that information.

"Fed is best is not a consolation prize. It is a clinical truth. A well-nourished, securely attached baby raised by a calm, supported parent will thrive on breast milk, formula, or both."

— Dr. Sharon Fried Buchalter, Ph.D.

Breastfeeding: The Biology, the Benefits, and the Honest Challenges

Latching difficulty: The single most common barrier to successful breastfeeding. Consult a certified lactation consultant (IBCLC — International Board Certified Lactation Consultant) within the first 48 hours of any latching pain or difficulty. Many hospitals have IBCLCs on staff; request one specifically. Positioning matters enormously — the baby should be tummy-to-tummy with the mother, nose to nipple (not nipple to mouth), and the latch should take in a wide portion of the areola, not just the nipple tip.

Low supply: True insufficient milk supply (IGT — Insufficient Glandular Tissue) is less common than perceived low supply caused by infrequent nursing or pumping. Supply is built on demand — the more frequently milk is removed from the breast, the more is produced. Galactagogues (foods or supplements thought to increase supply, such as oats, fenugreek, and lactation cookies) have modest and variable evidence. The most evidence-supported supply-building intervention is simply nursing or pumping more frequently — including at least once between 2 and 5 a.m., when prolactin levels (the milk-production hormone) are highest.

Mastitis: A breast infection characterized by flu-like symptoms, redness, and heat in one breast area. Continue nursing through mastitis — stopping makes it worse. Contact your OB or midwife immediately for antibiotic evaluation. Rest, hydration, frequent nursing, and warm compresses are the standard supportive measures.

Nursing and returning to work: The PUMP Act (2022) in the United States requires most employers to provide reasonable break time and a private space (not a bathroom) for expressing milk for up to one year after the baby's birth. Know your rights before you return. A hospital-grade double electric pump (Spectra, Medela, Elvie) dramatically increases efficiency. Most health insurance plans in the U.S. are required to cover a pump under the ACA.

Formula Feeding: Choosing Wisely in a Complex Market

Infant formula has sustained and grown healthy babies for generations. Today's formula market is sophisticated, regulated, and varied — but navigating it requires attention to detail, especially as more organic, European, and specialty formulas enter the market.

Standard vs. Specialty Formulas

Standard cow's milk-based formula (with whey protein modification) is nutritionally appropriate for the vast majority of healthy term infants. The FDA regulates minimum nutritional standards for all formula sold in the United States.

Hydrolyzed formula contains partially or extensively broken-down cow's milk proteins. Recommended for babies with diagnosed cow's milk protein intolerance (CMPI), which affects approximately 2-7% of formula-fed infants. Symptoms include blood in stool, significant reflux, eczema, and excessive crying.

Amino acid-based (elemental) formula is for babies with severe protein allergies who cannot tolerate even hydrolyzed formula. Requires pediatric guidance.

Soy formula is an option for families avoiding cow's milk for religious, cultural, or dietary reasons, or in rare cases of galactosemia. The American Academy of Pediatrics notes that soy formula provides complete nutrition for healthy term infants but recommends cow's milk-based hydrolyzate formula as the first alternative for CMPI.

European formulas (HiPP, Holle, Loulouka, Kendamil) have become enormously popular in the United States, driven largely by their organic certification, absence of certain sweeteners (corn syrup solids, rice syrup), and DHA/ARA sourcing. They are generally nutritionally adequate but are not FDA-registered, which means parents import them without FDA oversight. This is a personal risk calculation each family must make with their pediatrician.

Preparation Safety

Always use water that meets safe lead and contaminant standards. In the first two months of life, pediatricians often recommend using boiled, cooled water for formula preparation due to the small risk of Cronobacter bacteria in powdered formula. Ready-to-feed (RTF) formula is the safest option for newborns under two months because it is commercially sterile.

Combination Feeding: The Middle Path

Combination feeding — using both breast milk and formula — is far more common than the either/or framing of the "breast vs. bottle" debate suggests. It is also, for many families, the approach that best supports both baby nutrition and maternal mental health.

Common combination scenarios: supplementing with formula when supply is low during a growth spurt; primary formula feeding with breast milk available when nursing is convenient or desired; exclusively pumping and topping up with formula as needed; transitioning from breast to formula between four and twelve months.
 
The clinical evidence is clear: there is no physiological reason a baby cannot thrive on a combination of breast milk and appropriate formula. The most important factor is not the ratio — it is that the baby receives adequate caloric intake, consistent caregiver warmth, and responsive feeding (feeding on hunger cues rather than rigid schedules).

Starting Solids: The 6-Month Window and What Science Actually Says

Signs of Solid Readiness

Baby can sit up with minimal support and hold their head steady
Loss of the tongue-thrust reflex (baby no longer automatically pushes food out of mouth)
Demonstrable interest in food (watching others eat, reaching toward food)
Ability to move food from front to back of mouth and swallow intentionally
Doubled birth weight (typically around six months for term infants)

First Foods: Purees vs. Baby-Led Weaning

Traditional purees begin with smooth single-ingredient foods (iron-rich purees like pureed meat, lentils, or iron-fortified cereals; vegetable and fruit purees) introduced one at a time, three to five days apart, to monitor for allergic reactions. This approach gives parents maximum control over texture progression and allergen identification.

Baby-Led Weaning (BLW) involves offering appropriately sized soft finger foods from the start, allowing the baby to self-feed rather than being spoon-fed. BLW proponents cite benefits including better self-regulation of appetite, reduced picky eating, and enhanced motor development. Critics note the challenges of ensuring adequate iron intake in early BLW. A combination approach (soft finger foods alongside purees for iron-rich foods like meat) captures benefits of both.

Early Allergen Introduction: The LEAP Study Paradigm Shift

The LEAP (Learning Early About Peanut Allergy) study and subsequent research fundamentally changed guidance on early allergen introduction. We now have strong evidence that introducing the top allergens (peanut, egg, tree nuts, dairy, wheat, soy, fish, shellfish, sesame) early — between four and eleven months, rather than avoiding them until age two or three — significantly reduces the risk of developing food allergies. Consult your pediatrician before introducing allergens if your baby has moderate-to-severe eczema or a known food allergy, as they may benefit from allergy testing first.

The Psychological Dimension of Feeding

As a Clinical Psychologist, I cannot write about feeding without addressing its psychological dimensions. Feeding is not just nutrition — it is attachment, trust, and the earliest conversations between parent and child. The way a baby is fed — with responsiveness, attunement, and patience — shapes not just their nutritional outcomes but their foundational sense of safety in the world.

Responsive feeding means: offering food when hunger cues appear (rooting, sucking on hands, fussiness), stopping when satiation cues appear (turning away, slowing sucking, falling asleep), making eye contact and talking gently during feeds, and not using food as a primary comfort tool for non-hunger distress.

If you are struggling with breastfeeding, formula guilt, pressure from family, or the emotional weight of feeding decisions — please know that these struggles are not signs of failure. They are signs of how profoundly you love your baby and how much you want to get this right. That love is the most nutritious thing your baby receives, in whatever bottle or breast it arrives.

— Dr. Sharon Fried Buchalter, Ph.D. · Founder, Little Toes® · a/k/a The Diaper Whisperer

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Dr. Sharon Fried Buchalter, Ph.D.

Clinical and Industrial Psychologist, MBA, and Founder of Little Toes® Diaper Company. 8 patents, certified woman-owned business, The Diaper Whisperer.