“…Most of the studies were conducted in the USA [ 23 , 34 , 35 , 36 , 37 ], three studies were conducted in the United Kingdom [ 38 , 39 , 40 ], and one each in South Africa [ 41 ], Brazil [ 42 ], Norway [ 43 ], Sweden [ 44 ], and Finland [ 45 ] respectively. Seven were quantitative studies [ 34 , 35 , 36 , 39 , 40 , 41 , 43 ], four qualitative [ 23 , 37 , 45 ], one a mixed methods study [ 38 ] and one a controlled, non-randomised study [ 42 ]. Most of the prenatal healthcare providers were midwives [ 37 , 38 , 39 , 40 , 43 , 44 ], obstetrician/gynaecologists [ 34 , 36 , 37 , 41 ] and nurses [ 34 , 37 , 45 ].…”