Reproduction and Growth

摘要: Hypoxia, as well other environmental and social factors, shapes reproduction fetal/infant growth at high altitude. Although fertility early fetal loss differ little from patterns observed lower altitude, placental development does the medical complications of pre-eclampsia post-partum hemorrhage pose greater risks Reduction in birth weight with increasing altitude gestation occurs across high-altitude regions, resulting an increased proportion low-birth-weight infants (<2,500 g). However, magnitude reduction varies among population groups, depending on maternal ventilation, plasma volume expansion, blood flow to uteroplacental circulation, nutrient transport. Neonatal, infant, child mortality are Respiratory problems account for majority neonatal infant deaths. Exposure hypoxia during periods may have consequences that extend into adult life span generations.