Courtesy Fair Winds Press Having worked as a nutritionist for close to 20 years,
Tina Ruggiero became the go-to resource for her 17 pregnant girlfriends on what to eat.
And when her friends gave birth, the questions kept coming in.
"Everybody was emailing, texting, calling me at all hours of the day and night, about what to eat and what to do," she tells PEOPLE. "I thought, 'If I could write a book, and answer all ...