The archive · Product Ideas · Product decision · 2014
Bell-Net’s Mother Book maps 40 pregnancy weeks onto a book that grows with the belly
An obstetric clinic’s 40-page book mirrors each week of pregnancy: turning pages grows the belly, and mothers write letters to the child.
Bell-net Obstetrics (Kishokai Medical Corporation)
What it had to solve
Bell-net, a clinic group in Aichi running obstetrics and pediatrics, wanted mothers who booked delivery to feel informed and connected through the whole pregnancy, especially first-timers carrying anxiety.
How it works
Bell-net Obstetrics, run by Kishokai Medical Corporation in Aichi, Japan, wanted its relationship with expectant mothers to survive the months between the first check-up and delivery. For first-time mothers those 40 weeks are full of worry, and the clinic’s comms budget could not compete with big brands.
Dentsu’s Chubu branch turned the timeline into an object. The Mother Book has 40 pages, one per week of pregnancy; because every page is die-cut and layered, the book’s profile gradually swells into the shape of a pregnant belly as it is flipped. Each page also explains what is happening to mother and baby that week, and leaves space for the mother to write down feelings and messages.
Made tactile and cumulative, the countdown stopped being abstract: the growing thickness of the book literally shows the growth of the belly. Mothers who booked delivery at Bell-net received it, and the book was later sold as a gift that families could give at 16 weeks or as a birth present.
The idea won the Design Grande at ADFEST 2014 and, in June 2014, the inaugural Grand Prix of the new Lions Health festival — the jury praised a small, beautiful, personal piece over larger social campaigns. A Cannes Design Gold Lion followed.
Why it lands
- The physical form carries the message: page thickness is the belly, so no extra explanation is needed.
- It gives an anxious wait a ritual — writing each week turns passive worrying into an active record.
- It works for the clinic’s real business: the book is only handed to mothers who book delivery, deepening commitment.
- The craft itself became the campaign, earning global awards without paid media.
What it did
ADFEST 2014 gave it the Design Grande; the first-ever Lions Health awarded it the inaugural Health & Wellness Grand Prix, followed by a Cannes Design Gold — recognition that turned a clinic handout into an internationally cited piece of design.
What you can take
Make an anxious countdown tangible: map an abstract timeline onto a physical object that visibly grows, and information becomes something families keep, touch and write in.
Since then
The book was first given to mothers who booked delivery at Bell-net clinics, then became a purchasable keepsake — bought by husbands for wives, colleagues for staff going on maternity leave, or as a birth gift — with the official site suggesting parents present it to the child at 20. Beyond ADFEST and Lions Health it added Cannes Design Gold, Clio, One Show, New York Festivals and an Asia Pacific Effie, making an unknown local clinic one of the most-awarded health campaigns of 2014.
Sources
- Adfest Announces First Round of 2014 Winners
- Cannes Update★Lions Health: First Grand Prix Goes to Dentsu Inc.'s "MOTHER BOOK"
- 今年新設「カンヌライオンズ ヘルス」、初代グランプリに電通中部支社の「Mother Book」
- 人生の一大イベントを、より印象的なものにする一冊の本
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