Tokyo-based photography Kim Kyung-Hoon gains access to pregnant women being photographed for nude maternity portraits, a trend that’s on the rise in Japan.

Three years ago, a poster of a nude and heavily pregnant Britney Spears sparked concern in Japan before it was displayed in Tokyo’s subways because it was considered “too stimulating” for young commuters.

But today, an increasing number of women who have just one child later in life are flocking to photo studios to have their pregnant bellies photographed to celebrate their bodies during a once-in-a-lifetime experience.

“I was so happy during my pregnancy,” said 40-year-old Kumiko Yoda, who gave birth to a boy on July 19. “This moment will not come back to me again and these pictures are for my own enjoyment.”

Yoda was encouraged by a friend who showed her maternity nude photos that she had had taken of herself and just one month before her baby was born, Yoda discovered maternity photo studio “Ixchel” in Tokyo.