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The challenges of fetal life
what happens next?
Tasks for fetal organs
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ability abnormal activity adrenal adult air sacs alcohol amniotic fluid amount aorta atrium baby's behavioural birth process blood flow blood vessels body born brain development breathing movements carbon dioxide cervix changes chromosomes circulation cocaine concentration contractions contractures cortisol decrease delivery differentiation digestive system drugs ductus arteriosus effects embryo endocrine environment female fetal blood fetal brain fetal breathing fetal heart rate fetus foramen ovale function genetic gland glucose growth factors growth retardation haemoglobin hormone human hypothalamus hypoxaemia increase intrauterine kidney labour lungs maternal blood mature mechanisms molecules mother muscle cells nerve cells nerve fibres nervous system newborn baby normal nutrients obstetrician occur oestrogens organs ovary ovum oxygen oxytocin paracrine patterns pituitary placenta pregnancy premature babies premature birth produced prostaglandins pulmonary artery regulate response result rhythms role secreted sperm spinal cord stimulate stress structure studies surface surfactant tissues tube ultrasound umbilical uterine muscle uterus veins