Pugh told Woman's Day that it was "disgusting" what gets said and that she was glad TV personalities like Teuila Blakely and the girls from The Bachelor New Zealand had spoken out about it recently.
The presenter still has a few months left until she returns to morning television, after she delayed her return to work in favour of spending more time with her five-month-old daughter Thea and her fiancé Jo Barus, 40.
Pregnant One News presenter Jenny-May Clarkson was the target of such trolling earlier this year when a letter appeared in TV Guide saying she wasn't in a fit state to be on camera.
The man who wrote the letter, Lower Hutt resident John Rook, later apologised for describing pregnant Clarkson as "embarrassing and an eyesore".
- nzherald.co.nz