Table 1.
Demographic and reproductive characteristics by day 3 FSH and E2 groups
| Characteristic | Mean ± SD or N (%) | ||||
|---|---|---|---|---|---|
| Group 1A FSH <10 E2 <40 (n=291) |
Group 1B FSH <10 E2 ≥40 (n=256) |
Group 2A FSH 10–15 E2 <40 (n=35) |
Group 2B FSH 10–15 E2 ≥40 (n=21) |
P-value | |
| Age (y) | 34.5 ± 4.2 | 34.6 ± 4.2 | 36.4 ± 4.4 | 36.6 ± 4.1 | .01 |
| BMI a (kg/m2) | 24.1 ± 4.4 | 24.0 ± 4.5 | 23.3 ± 5.3 | 23.6 ± 2.8 | NS b |
| Current or past smoker | 80 (27.9) | 74 (29.4) | 8 (23.5) | 6 (28.6) | NS |
| Day 3 FSH (mIU/mL) | 6.5 ± 1.6 | 6.4 ± 1.9 | 11.7 ± 1.5 | 11.7 ± 1.4 | <.0001 |
| Day 3 E2 (pg/mL) | 29.9 ± 5.8 | 55.6 ± 13.7 | 30.9 ± 5.4 | 52.5 ± 13.9 | <.0001 |
| Prior gravidity | 128 (44.0) | 111 (43.4) | 13 (37.1) | 10 (47.6) | NS |
| Prior live birth | 57 (19.6) | 52 (20.3) | 8 (22.9) | 5 (23.8) | NS |
| Total motile sperm count (million) mean ± SD 25th-50th-75th percentiles |
161.4 ± 236.5 53.8 – 99.4 – 176.8 |
146.4 ± 163.0 51.8 – 103.3 – 185.8 |
132.1± 108.6 66.2 – 90.2 – 166.4 |
93.2 ± 81.8 21.6 – 52.8 – 184.4 |
NS |
a
BMI=body mass index
b
NS=not statistically significant