Table I.
Characteristics of 205 newly married Palestinian couples and distribution of TTP.
| Characteristics | No. | % | Mean fecundability (95% CI) | Pregnant in first cycle (n = 33)% | Pregnant in ≤6 cycles (n = 145)% | Mean cycles to pregnancy (SD)a | Percent not pregnant in 12 cyclesb (n = 27) % |
|---|---|---|---|---|---|---|---|
| Total | 205 | 100 | 0.17 ( 0.14,0.19) | 16.1 | 70.7 | 5.1 (3.8) | 13.4 |
| Characteristics of the wife | |||||||
| Age (years) | |||||||
| 14–19 | 76 | 37.1 | 0.17 (0.13,0.22) | 13.2 | 77.6 | 5.0 (3.7) | 13.2 |
| 20–24 | 95 | 46.3 | 0.18 (0.15,0.23) | 18.9 | 71.6 | 4.9 (3.6) | 9.5 |
| >24 | 34 | 16.6 | 0.11 (0.08,0.17) | 14.7 | 52.9 | 6.2 (4.5) | 23.5 |
| Education | |||||||
| 1–10 years (basic school) | 25 | 12.2 | 0.13 (0.08,0.20) | 12.0 | 64.0 | 6.0 (4.4) | 24.0 |
| 11–12 years (secondary school) | 66 | 32.2 | 0.15 (0.12,0.20) | 18.2 | 69.7 | 5.2 (4.1) | 16.7 |
| >12 years (college/university) | 114 | 55.6 | 0.18 (0.15,0.22) | 15.8 | 72.8 | 4.8 (3.4) | 8.8 |
| Regularity of menstrual cycle | |||||||
| Regular | 165 | 80.5 | 0.17 (0.14,0.20) | 15.8 | 70.3 | 5.1 (3.7) | 12.1 |
| Irregular | 40 | 19.5 | 0.16 (0.11,0.22) | 17.5 | 62.5 | 5.3 (4.1) | 17.5 |
| Length of menstrual cycle (days) | |||||||
| 15–25 | 57 | 27.8 | 0.16 (0.12,0.21) | 21.1 | 70.2 | 5.2 (3.7) | 14.0 |
| 26–28 | 126 | 61.5 | 0.16 (0.13,0.22) | 12.7 | 69.0 | 5.3 (3.7) | 12.7 |
| >28 | 22 | 10.7 | 0.21 (0.13,0.33) | 22.7 | 81.8 | 4.1 (3.7) | 13.6 |
| Age at menarche (years) | |||||||
| 11–13 | 87 | 42.4 | 0.15 (0.12,0.18) | 11.5 | 69.0 | 5.5 (4.0) | 18.4 |
| >13 | 118 | 57.6 | 0.18 (0.15,0.22) | 19.5 | 72.0 | 4.9 (3.6) | 9.3 |
| Premenstrual tension | |||||||
| Yes | 81 | 39.5 | 0.14 (0.11,0.18) | 12.3 | 64.2 | 5.7 (3.9) | 17.3 |
| No | 124 | 60.5 | 0.18 (0.15,0.22) | 18.5 | 75.0 | 4.7 (3.6) | 10.5 |
| Menstrual bleeding (days) | |||||||
| ≤5 | 133 | 64.8 | 0.16 (0.13,0.19) | 15.8 | 68.0 | 5.3 (3.9) | 14.3 |
| >5 | 72 | 35.1 | 0.18 (0.14,0.23) | 16.7 | 76.4 | 4.8 (3.5) | 11.1 |
| Characteristics of the husband | |||||||
| Age (years) | |||||||
| 16–24 | 58 | 28.3 | 0.18 (0.13, 0.23) | 19.0 | 69.0 | 5.1 (3.6) | 10.3 |
| 25–29 | 98 | 47.8 | 0.18 (0.15, 0.22) | 16.3 | 76.0 | 4.8 (3.6) | 10.2 |
| >29 | 49 | 23.9 | 0.13 (0.10, 0.18) | 12.2 | 63.3 | 5.8 (4.4) | 22.4 |
| Education | |||||||
| 1–10 years (basic school) | 58 | 28.3 | 0.19 (0.14, 0.25) | 29.3 | 76.0 | 4.5 (4.0) | 13.8 |
| 11–12 years (secondary school) | 79 | 38.5 | 0.15 (0.12, 0.19) | 14.0 | 68.4 | 5.5 (3.9) | 15.2 |
| >12 years (college/university) | 68 | 33.2 | 0.16 (0.13, 0.21) | 7.4 | 69.1 | 5.3 (3.5) | 10.3 |
| Frequency of intercourse/week | |||||||
| One to six times | 32 | 16.0 | 0.10 (0.06, 0.15) | 9.4 | 53.1 | 6.5 (4.5) | 31.2 |
| Seven times | 64 | 31.2 | 0.16 (0.12, 0.21) | 12.5 | 71.2 | 5.2 (3.8) | 14.1 |
| More than seven times | 86 | 42.0 | 0.20 (0.16, 0.25) | 22.1 | 74.4 | 4.6 (3.5) | 6.1 |
| Missing | 23 | 11.2 | 0.17 (0.11, 0.27) | 13.0 | 78.3 | 5.0 (3.5) | 8.7 |
aAmong 174 couples who got pregnant during the follow-up.
bA total of 27 women were censored after 1 year of follow-up, 20 of them after 12 cycles and 7 after 13 cycles without getting pregnant.