“…Sixteen clinical trials (of 20; 80%) [ 15 – 22 , 25 , 41 , 42 , 50 , 56 , 57 , 60 , 61 ] and 21 observational studies (of 30; 70%) reported data on breast and lactation disorders in people with drug-induced HPL [ 10 , 26 – 28 , 30 , 31 , 33 – 36 , 38 , 43 , 46 , 47 , 49 , 50 , 52 – 54 , 58 , 59 ]. Among the clinical trials, galactorrhoea was the most frequently observed presentation of HPL, occurring in 4–62% of patients.…”