Many Japanese moms-to-be don't gain enough weight, and experts say that could cause lasting problems

(CNN)Naomi Hayami-Chisuwa, who gave birth in June at age 35, found it hard to control her weight during pregnancy, particularly as she came closer to the due date.

Despite being a normal weight, the dietitian and lecturer at Osaka City University had been advised by the hospital where she received health care to gain only 10 kilograms until delivery, slightly less than the official government guideline of 7 to 12 kilograms (about 15 to 26 pounds), she said.
Tipping the scales