“Longer maternity leave is associated with lower infant mortality in low- and middle-income countries. For each month of additional maternity protection, there is a reduction of nearly eight infant deaths per 1,000 live births”: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4811564/ 

WHO Advocacy Brief Breastfeeding And Family-Friendly Policies – Global Breastfeeding Collective: https://apps.who.int/iris/rest/bitstreams/1239848/retrieve

UNICEF Why family-friendly policies are critical to increasing breastfeeding rates worldwide: https://www.unicef.org/turkiye/en/press-releases/why-family-friendly-policies-are-critical-increasing-breastfeeding-rates-worldwide