mamama1856 | Cozy Family Japan

Baby Vaccinations in Japan: Schedule, Boshi Techo & Differences from the US

Planning to vaccinate your baby in Japan? Learn the full routine vaccination schedule, how it differs from the US (BCG, mumps & more), and how to use your Boshi Techo to track every shot. Essential guide for expat and visiting families.

2026.06.27

Baby LifeHealth & Daily Care

Japanese Baby Formula: Brands, Ingredients & How It Compares to Western Formula

Curious about Japanese baby formula? Compare Meiji, Morinaga & Wakodo, learn how Japan’s regulations differ from the US, and discover what makes Japanese formula stand out.

2026.06.20

Baby FoodBaby Life

Japanese Baby Gift Etiquette: What to Give, How Much to Spend & What to Expect in Return

Giving a baby gift to a Japanese friend? Learn what to buy, how much to spend, and 5 things to never give. Plus: the Japanese return gift custom (Uchiiwai) explained.

2026.06.17

Baby LifeJapanese Traditions

Postnatal Care Hotels in Japan — Our Stay at Mamma Levata

Wondering what a postnatal care hotel in Japan is like? We stayed at Mamma Levata in Tokyo — here’s what to expect, what’s included, and why Japanese postpartum care hotels are worth it for new moms.

2026.06.14

Baby LifeFamily TravelHealth & Daily CareJapanese Traditions

What Does “Inai Inai Baa” Mean? Japan’s Beloved Baby Game Explained

If you have spent time around babies in Japan, you have almost certainly heard the phrase “inai inai baa” (いないいないばあ). It...

2026.06.13

Baby Books & ToysBaby LifeBaby Play & Learning

Oshichiya — Japan’s Traditional Naming Ceremony on the 7th Night

In Japan, the seventh night after a baby’s birth is marked by a quiet but meaningful celebration called oshichiya (お七夜)....

2026.06.10

Baby LifeJapanese Traditions

Our Half Birthday Photo Shoot at Studio MARLMARL Marunouchi

For our baby’s half birthday, we decided to do something a little special — a professional photo shoot at Studio MARLMAR...

2026.06.07

Baby LifeJapanese Traditions

Half Birthday Celebrations in Japan — How We Marked Our Baby’s 6-Month Milestone

In Japan, the half birthday — celebrating a baby’s six-month milestone — has become an increasingly popular way for fami...

2026.06.06

Baby LifeJapanese Traditions

How We Keep Our Baby Cool in Japan’s Hot and Humid Summer

Japanese summers are no joke. The heat and humidity arrive early and stay late — and with a baby who cannot regulate bod...

2026.06.05

Baby Clothes & GauzeBaby LifeFamily TravelHealth & Daily CareJapanese Traditions

Hatsuzekku — Japan’s First Seasonal Festival Celebration for Babies

In Japan, a baby’s first seasonal festival is celebrated with a special ceremony called hatsuzekku (初節句). It is one of t...

2026.06.03

Baby FoodBaby LifeJapanese Traditions