Mums behind bars

Katie Piper meets women who have given birth in America's toughest prisons...

- CAREN CLARK,

KATIE PIPER'S JAILHOUSE MUMS 
Wednesday, 10pm, W Factual (box set, UKTV Play)

America is home to the world's largest female prison population, where one in 25 women locked up is pregnant.

In some of the strictest prisons, inmates are even shackled in leg irons while giving birth.