Table 1 Demographic and baseline characteristics of women undergoing IVF between 1/1/2012 and 5/31/2017.
| Â | Trigger Type | |
|---|---|---|
hCG trigger (N = 525) n (%) | Dual trigger (N = 438) n (%) | |
Woman’s Age (years) | ||
  < 30 | 95 (18.1%) | 99 (22.6%) |
 31–34 | 211 (40.2%) | 176 (40.2%) |
 35–37 | 132 (25.1%) | 124 (28.3%) |
 38–39 | 53 (10.1%) | 30 (6.9%) |
 40–40.9 | 34 (6.5%) | 9 (2.1%) |
Race/Ethnicity | ||
 Caucasian | 356 (67.8%) | 311 (71.0%) |
 African American | 24 (4.6%) | 16 (3.7%) |
 Hispanic | 34 (6.5%) | 13 (3.0%) |
 Asian | 92 (17.5%) | 77 (17.6%) |
 Other/declined | 19 (3.6%) | 21 (4.8%) |
 BMI (kg/m2)a | 25.6 (5.0) | 24.6 (4.4) |
Type of infertilityb | ||
 Male factor | 170 (32.4%) | 145 (33.0%) |
 Tubal factor | 53 (10.1%) | 38 (8.7%) |
 Ovulation dysfunction | 98 (18.7%) | 99 (22.6%) |
 Endometriosis | 38 (7.2%) | 31 (7.1%) |
 Other | 40 (7.6%) | 43 (9.9%) |
 Unexplained | 185 (35.2%) | 152 (34.6%) |
 Nulligravida | 303 (57.7%) | 279 (63.7%) |
 Nulliparous | 427 (81.3%) | 364 (83.1%) |
 AMHa | 4.9 (3.8) | 6.3 (4.5) |