The presenter welcomed her first child, Betsy, with husband Lee Mead, 28, in May.
'I probably should have persevered a bit longer than three weeks,' says Denise, 36.
'But I can't be sitting in Starbucks and breastfeeding, because they [photographers] are taking pictures.'
Denise admits cameras weren't her only concern.
'I wasn't producing enough milk,' she tells She. 'And Lee wanted to be able to feed her.'
Where to next?
- Breastfeeding guide
- Breastfeeding myths explained
- Breast or bottle: Your questions answered