TV presenter Davina McCall had tea with new mothers and took a tour of a maternity unit when she visited a hospital.
The host of Big Brother was helping St Richard's Hospital in Chichester celebrate getting a Unicef Baby Friendly award.
It is the third time the hospital has been given the award, which recognises the efforts of maternity staff to promote breast-feeding.
UK rates are among the lowest in Europe with only 65 per cent of babies starting off breastfeeding.
Davina was also shown the hospital's birth pool and met Lulu Stevens, the 5,000th baby to be born there.
Lulu's parent's Amanda and Tony praised the unit and the birthing pool. Mrs Stevens said: "The opportunity to give birth in the water pool enabled Tony and I to experience a truly natural birth."
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