• In the research article, "What about dad? Psychosocial and mental health issues for new fathers," evidence shows that "the father-infant relationship is influenced by the partner relationship as well as the fathers psychological wellbeing."
  

• Also, "Results indicate that father–child interactions, even from a very young age (i.e., 3 months) may influence children's cognitive development. [...][T]he association between paternal interactions and cognitive outcome is evident at a very early age; therefore, putting preventive measures in place in early infancy to support fathers to better interact with their children is of immense importance." 
  
• "Pregnancy has been described as the most difficult period in terms of psychological adjustment for fathers (Condon, Boyce, & Corkindale, 2004; Genesoni & Tallandinin, 2009)."

• This is a group (maximum size of four fathers with their infants, 8 total participants).