From: Does a short luteal phase correlate with an increased risk of miscarriage? A cohort study
Miscarriage N = 48 (19%) | No Miscarriage N = 204 (81%) | Total N = 252 | P-value (chi-square) | |
---|---|---|---|---|
Study Source—Data Set | 0.008 | |||
CEIBA | 13 (16.5%) | 66 (83.5%) | 79 | |
TTP | 6 (14.3%) | 36 (85.7%) | 42 | |
CMFS | 12 (14.1%) | 73 (85.9%) | 85 | |
iNEST | 17 (37%) | 29 (63%) | 46 | |
Maternal age (y) | 0.003 | |||
< 30 | 23 (13.8%) | 144 (86.2%) | 167 | |
≥ 30 | 25 (29.4%) | 60 (70.6%) | 85 | |
Missing | 0 | |||
Paternal age (y) | 0.006 | |||
< 30 | 17 (12.7%) | 117 (87.3%) | 134 | |
≥ 30 | 30 (26.3%) | 84 (73.7%) | 114 | |
Missing | 1 | 3 | 4 | |
Race & ethnicity | 0.819 | |||
White (non-Hispanic) | 42 (18.6%) | 184 (81.4%) | 226 | |
Hispanic | 1 (14.3%) | 6 (85.7%) | 7 | |
Other | 1 (11.1%) | 8 (88.9%) | 9 | |
Missing | 4 | 6 | 10 | |
Federal poverty level, adjusted by year | 0.587 | |||
< 150% | 3 (23.1%) | 10 (76.9%) | 13 | |
150%-200% | 2 (11.1%) | 16 (88.9%) | 18 | |
≥ 200% | 22 (13.4%) | 142 (86.6%) | 164 | |
Missing | 21 | 36 | 57 | |
Completed education | 0.534 | |||
High / Vocational / Technical school graduate or less | 4 (25%) | 12 (75%) | 16 | |
Some college | 6 (13.3%) | 39 (86.7%) | 45 | |
College graduate | 34 (18.8%) | 147 (81.2%) | 181 | |
Missing | 4 | 6 | 10 | |
Occupational status | 0.692 | |||
Professional | 18 (17.6%) | 84 (82.4%) | 102 | |
Technical / Skilled or unskilled laborer | 2 (11.1%) | 16 (88.9%) | 18 | |
Clerical / Sales | 6 (23.1%) | 20 (76.9%) | 26 | |
Homemaker | 4 (10%) | 36 (92.3%) | 40 | |
Student | 4 (22.2%) | 14 (73.7%) | 18 | |
Other | 3 (16.7%) | 15 (83.3%) | 18 | |
Missing | 11 | 19 | 30 | |
Employed | 0.336 | |||
Yes | 26 (16.4%) | 133 (83.7%) | 159 | |
No | 5 (10.6%) | 42 (89.4%) | 47 | |
Missing | 17 | 29 | 46 | |
Smoking | 0.537 | |||
Yes | 2 (22.2%) | 7 (77.8%) | 9 | |
No | 16 (14.5%) | 94 (85.5%) | 110 | |
Missing | 30 | 103 | 133 | |
Drinking | 0.511 | |||
Yes | 12 (16.9%) | 59 (83.1%) | 71 | |
No | 6 (12.5%) | 42 (87.5%) | 48 | |
Missing | 30 | 103 | 133 | |
Age at first pregnancy (y) | 0.740 | |||
Never pregnant | 19 (16.7%) | 95 (83.3%) | 114 | |
≤ 19 | 1 (5%) | 19 (95%) | 20 | |
20–24 | 3 (18.8%) | 13 (81.3%) | 16 | |
25–29 | 2 (15.4%) | 11 (84.6%) | 13 | |
≥ 30 | 6 (14.3%) | 36 (85.7%) | 42 | |
Missing data: | 17 | 30 | 47 | |
Parity | 0.470 | |||
No previous pregnancy | 19 (16.7%) | 95 (83.3%) | 114 | |
Previous pregnancy | 12 (13.0%) | 80 (87%) | 92 | |
Missing data | 17 | 29 | 46 | |
Previous live birth | 0.489 | |||
None | 20 (16%) | 105 (84%) | 125 | |
At least one | 10 (12.5%) | 70 (87.5%) | 80 | |
Missing data: | 18 | 29 | 47 | |
Previous spontaneous abortion | 0.515 | |||
None | 23 (13.9%) | 143 (86.1%) | 166 | |
At least one | 7 (18%) | 32 (82%) | 39 | |
Missing data | 18 | 29 | 47 | |
Medication in luteal phase (progesterone/HCG) | ||||
No Medication | 44 (19.3%) | 184 (80.7%) | 228 | |
Medication | 4 (16.7%) | 20 (83.3%) | 24 |