Characteristics | Age group (years) | |||||
---|---|---|---|---|---|---|
 | ≤35 | 36-40 | > 40 | |||
BMI | < 25 | ≥ 25 | < 25 | ≥ 25 | < 25 | ≥ 25 |
Normo ovulatory (%) | 31.9 | 5.6 | 19.3 | 4.1 | 7 | 1.8 |
Anovulation/PCOS (%) | 4.5 | 2.5 | 1.4 | 0.9 | 0.06 | 0.04 |
Low responders (%) | 4.4 | 0.7 | 3.6 | 0.6 | 0.34 | 0.06 |
Endometriosis (%) | 5.7 | 0.4 | 2.7 | 0.2 | 0.18 | 0.02 |