Mums who have been part of developing the Smokefree Mum campaign have been talking about their experiences today.
Amy used the service throughout her pregnancy and says she couldn't have done it without the service run by Sheffield Teaching Hospitals and Sheffield Council.
More top news
Eddie Hall, 41, had been working as a chef in Ho Chi Minh City for over a year but was reported missing in January.
Cold with wintry showers for North and West Yorkshire and across the Pennines. Ice and snow warnings issued
Hundreds are expected to march against council plans to close North Yorkshire's only remaining middle school.