الفهرس 
The Human Umbilical Cord
Practice for timing of cord clampingOnly 14 pages are availabe for public view
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Abstract
Evidence suggests that the effects of early versus deferred cord clamping may differ in preterm and term infants blood hemoglobin (Hb) concentration.
Currently, insufficient evidence exists to support or refute the benefits from deferred cord clamping for term infants who are born in settings with rich resources. Although a deferred cord clamping for up to 60 seconds may increase total body iron stores and blood volume, which may be particularly beneficial in populations in which iron deficiency is prevalent, these potential benefits must be weighed against potential benefits of umbilical cord milking.
This study included 1000 normal vaginal delivery with full term neonates (500 cases were subjected to deferred cord clamping (DCC) and 500 cases were subjected to umbilical cord milking (UCM).
In the UCM group, the mean age 25.93 ± 5.31 years (16-43), mean weight 85.89 ± 7.05 kg (69-99 kg), mean height was 165.39 ±3.54 cm (158-179), mean BMI 31.4 ± 2.7 (23.88-38.76), mean gestational age 39.18 ±1.07 weeks (38-42). Seven of cases had PPH. none of cases had retained placenta. Among 500 infants of the UCM, 234 (46.8%) were males and 266 (53.2%) were females with no recorded neonatal complications or ICU admission recorded among them. The mean neonatal weight before UCM was 3.11 ± 0.3Kg (2.51-4.22) while after UCM was 3.16 ±0.31 (2.19-4.28). The differences in weight and placental transfusion volume among UCM were 52.36 ± 7.68 gm (40-60) and 54.98 ± 8.06 ml (42-63) respectively.
There was a highly statistically significant difference among DCC cases between weight before and after the procedure (3.1 ± 0.29 Vs 3.17 ±0.3) kg (P=0.001), also among the UCM cases before and after the procedure (3.10 ±.30 vs. 3.16 ±.31) kg (p=0.001).
Comparison between DCC group and UCM group showed that there is no significant difference as regard age (26.27±5.47) (25.93±5.31) (p=0.32), body weight (85.04 ±7.10) (85.89±7.05) (p= 0.058), Height (cm) (165.50±3.71) (165.39±3.54) (p=0.619), BMI (31.06±2.57) (31.42±2.70) (0.090) and gestational age (39.20±1.05) (39.18±1.07) (0.8) respectively.