N = 1479
Parental Characteristics Parental Characteristics Parental Characteristics
Maternal age (years) Maternal age (years)
Median (range) 32.9 (19.9, 45.2)
Mean (SD) 32.83 (4.17)
Paternal age (years) Paternal age (years)
Median (range) 35.2 (21.3, 62.8)
Mean (SD) 36.15 (6.27)
Maternal BMI (kg/m2) Maternal BMI (kg/m2)
Median (range) 24.4 (16.2, 55.9)
Mean (SD) 25.9 (5.96)
Missing 6 (<1%)
Paternal BMI (kg/m2) Paternal BMI (kg/m2)
Median (range) 27.4 (17.3, 54.2)
Mean (SD) 28.11 (4.65)
Missing 278 (19%)
SEFIA SEFIA
Median (range) 1000 (673, 1151)
Mean (SD) 995 (69)
Missing 22 (1%)
Infertility Diagnosis Infertility Diagnosis Infertility Diagnosis
Tubal factor Tubal factor 112 (8%)
Endometrial factor Endometrial factor 101 (7%)
Male factor Male factor 818 (55%)
Other Other 536 (36%)
Unexplained Unexplained 282 (19%)
Birth Factors Birth Factors Birth Factors
Insemination method Insemination method
IVF 232 (16%)
ICSI 1247 (84%)
Delivery method Delivery method
Vaginal 871 (59%)
Caesarean 607 (41%)
Missing 1 (<1%)
Gestational length (weeks) Gestational length (weeks)
Median (range) 39.14 (37, 42.14)
Mean (SD) 39.13 (1.08)
Infant Sex Infant Sex
Female 745 (50%)
Male 734 (50%)
Infant birthweight (g) Infant birthweight (g)
Median (range) 3345 (1587, 4998)
Mean (SD) 3367.66 (453.1)