You're talking about health care professional training and the international code of marketing of breastmilk substitutes, national leadership, maternity protection in the workplace, data collection. (ukbreastfeeding.org)
After that they need maternity protection and breastfeeding breaks when they return to work. (babymilkaction.org)
Find out your country's laws surrounding maternity protection, including the type of leave and workplace facilities most local employers are providing. (lactationmatters.org)