From: Obstetric outcome in donor oocyte pregnancies: a matched-pair analysis
 | Available data (%) | All pregnancies (n = 205) | Singletons (n = 148) | Twins (n = 57) | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 |  | DO | AO | P | DO | AO | P | DO | AO | P |
Age | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Recipient (DO) or ICSI patient (AO) (%; SD) | 410/410 | 36.0 | 36.0 | 0.37 | 36.3 | 36.2 | 0.24 | 35.4 | 35.4 | 0.66 |
(100) | (4.5) | (4.5) | (4.5) | (4.5) | (4.4) | (4.4) | ||||
Donor | 406/410 | 30.7 | 36.1 | <0.001 | 31.0 | 36.3 | <0.001 | 29.8 | 35.4 | <0.001 |
(%; SD) | (99) | (4.4) | (4.4) | (4.3) | (4.5) | (4.6) | (4.4) | |||
Partner | 400/410 | 38.1 | 39.0 | 0.90 | 38.3 | 39.1 | 0.23 | 37.6 | 38.9 | 0.19 |
(%; SD) | (97.5) | (6.4) | (6.7) | (6.2) | (6.7) | (6.9) | (6.5) | |||
Parity | 410/410 | 0.23 | 0.23 | 0.78 | 0.2 | 0.2 | 0.32 | 0.2 | 0.3 | 0.66 |
(%; SD) | (100) | (0.5) | (0.5) | (0.5) | (0.5) | (0.5) | (0.5) | |||
Ethnicity | 410/410 | 202/205 | 202/205 | 1 | 146/148 | 146/148 | 1 | 55/57 | 55/57 | 1 |
(% Caucasian mothers) | (100) | (98.5) | (98.5) | (98.6) | (98.6) | (96.5) | (96.5) | |||
Sex baby | 524/524 | 129/262 | 123/262 | 0.52 | 66/148 | 66/148 | 1 | 63/114 | 57/114 | 0.52 |
(% male) | (100) | (49.2) | (46.9) | (44.6) | (44.6) | (55.3) | (50.0) | |||
BMI | 222/410 | 23.3 | 23.2 | 0.92 | 23.7 | 23.1 | 0.35 | 22.1 | 23.5 | 0.14 |
(%; SD) | (54.1) | (4.4) | (3.2) | (4.7) | (3.4) | (3.4) | (3.6) | |||
Smoking | 187/410 | 5/37 | 6/37 | 1 | 5/31 | 6/31 | 1 | 0 | 0 | 1 |
(%; SD) | (45.6) | (13.5) | (16.2) | (16.1) | (19.3) |