“…Regarding the method used for identifying blood haemoglobin rates, the majority (n=31; 83.78%) [28][29][30][31][32]35,37,[39][40][41][42][44][45][46][47][48][49]51,[53][54][55][56][57][58]60,61] used venipuncture. The data collected came from public health services: community (n = 3; 8.11%) [36,50,62], hospitals (n = 4; 10.81%) [27,40,44,52], maternity hospitals (n = 4; 10.81%) [28,30,39,51], primary health units (n = 17; 45.95%) [29,31,32,34,37,38,42,43,[46][47][48]53,…”