“… Sub-grouped meta-analysis of 32 comparisons reporting on PRL in PCOS participants compared with non-PCOSs by continent [ 9 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 ]. …”