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Table 1 Clinical characteristics of the study population (n = 32), intrauterine transfusions (n = 70) and pregnancy outcomes

From: Fetal cardiac function at intrauterine transfusion assessed by automated analysis of color tissue Doppler recordings

Variable Value
Maternal data
 Age (years) 31.2 ± 5.3
 BMI (kg/m2) 24.1 ± 3.3
 Nulliparous 4 (12.5)
 Immunizationa 27 (84.4)
IUT data
 Number of IUTs per fetus 2.2 ± 1.7
Site of tranfusion:
 Intrahepatic 41 (58.6)
 Cord insertion in placenta 29 (41.4)
 Mean GA at IUT (weeks) 28.6 ± 4.7
 Hemoglobin before IUT (g/L) 88.6 ± 28.7
 Hemoglobin after IUT (g/L) 141.7 ± 23.9
Degree of anemia: (n = 69)
 None 20 (29.0)
 Mild 23 (33.3)
 Moderate 9 (13.0)
 Severe 17 (24.6)
 Infused volume (mL) 47.1 ± 23.9
Pregnancy outcome
 GA at delivery (weeks) 35.7 ± 1.4
 Pre-term delivery < 37 weeks 28 (87.5)
Mode of delivery:
 Normal vaginal delivery 11 (34.4)
 Elective cesarean section 8 (25.0)
 Emergency cesarean section 13 (40.6)
 Birth weight (g) 2793 ± 443
 Female babies 15 (46.9)
 Cord arterial pH (n = 13) 7.27 ± 0.10
 5-min Apgar score < 7 2 (6.3)
  1. Data are given as mean ± SD or n (%). BMI, body mass index; IUT, intrauterine transfusion; GA, gestational age
  2. aFive fetuses with other causes to anemia