“…On day 3, blood results were as follows: WBC 4.150/μL, Hb 14.2 g/dL, β-hCG 4.165 IU/L. According to the hospital guidelines [ [1] , [2] , [3] , [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] ], since β-hCG serum levels had not declined by more than 15%, the treatment continued in the same way. The patient received three more doses of MTX 100 mg on days 3, 5 and 7 and every dose was followed by administration of folinic acid 10 mg, on days 4, 6 and 8.…”