Table 2. Pattern of utilization of follitropin delta in Brazil – Cycle characteristics
Variable Oocyte donors
(n=131)
Oocyte cryopreservation
(n=705)
IVF
(n=1448)
All patients
(n=2284)
Steroid priming
· No
· Oral contraceptives
· Estradiol valerate
· Norethisterone
78 (59.5%)
24 (18.3%)
2 (1.5%)
27 (20.6%)
427 (60.6%)
46 (6.5%)
28 (4%)
204 (28.9%)
991 (68.4%)
77 (5.3%)
46 (3.2%)
334 (23.1%)
1496 (65.5%)
147 (6.4%)
76 (3.3%)
565 (24.8%)
Phase of cycle
· Follicular
· Luteal
· Second phase of duo-stim
124 (94.7%)
7 (5.3%)
0
601 (85.2%)
101 (14.3%)
3 (0.4%)
1296 (89.5%)
135 (9.3%)
17 (1.2%)
2021 (88.5%)
243 (10.6%)
20 (0.9%)
Type of pituitary suppression
· GnRH antagonist
· Progestin
· Others
· Unknown data, due to cycle cancellation
15 (11.5%)
104 (79.4%)
8 (6.1%)
4 (3.0%)
327 (46.4%)
340 (48.2%)
2 (0.3%)
36 (5.1%)
816 (56.3%)
546 (37.8%)
5 (0.3%)
81 (5.6%)
1158 (50.7%)
990 (43.4%)
15 (0.6%)
121 (5.3%)
Prescription based on algorithm
· Yes (Protocol 1)
· No
Protocol 2
Protocol 3
Protocol 4
Protocol 5
0
131 (100%)
13 (9.9%)
99 (75.6%)
0
19 (14.5%)
17 (2.4%)
688 (97.6%)
130 (18.4%)
494 (70.1%)
44 (6.2%)
20 (2.8%)
26 (1.8%)
1422 (98.2%)
195 (13.5%)
1126 (77.8%)
70 (4.8%)
31 (2.1%)
43 (1.9%)
2241 (98.1%)
338 (14.8%)
1719 (75.2%)
114 (5%)
70 (3.1%)
Cycle cancellation before OPU
· Poor response
· Risk of OHSS
4 (3.0%)
0
36 (5.1%)
0
81 (5.6%)
0
121 (5.3%)
0
Ovulation trigger
· hCG
· GnRH agonist
· Dual trigger
n=127
1 (0.8%)
111 (87.4%)
15 (11.8%)
n=669
49 (7.3%)
347 (51.9%)
273 (40.8%)
n=1367
186 (13.6%)
576 (42.1%)
605 (44.2%)
n=2163
236 (10.9%)
1034 (47.8%)
893 (41.3%)

Data are presented as mean±standard deviation (SD).
Protocol 1 (algorithm)
Protocol 2 (non-algorithm monotherapy)
Protocol 3 (delta + hMG)
Protocol 4 (delta + rFSH/LH)
Protocol 5 (others)