Table 4 Risk of Miscarriage in women > age 30 stratified by previous luteal phase length in the 3 cycles prior to conception
From: Does a short luteal phase correlate with an increased risk of miscarriage? A cohort study
Any short luteal phase | Percent of women > 30 with miscarriage | IRR –Women > 30a | 95% CI | |
|---|---|---|---|---|
None | 34.5% | 2.13 | 1.28 | 3.50 |
< 11 days | 31.5% | 2.12 | 1.29 | 3.52 |
< 10 days | 30.3% | 2.09 | 1.27 | 3.46 |
< 9 days | 25.3% | 2.13 | 1.29 | 3.54 |
< 8 days | 28% | 2.12 | 1.28 | 3.49 |