Key Points Congenital diaphragmatic hernia occurs in 1 to 4 in 10,000 births. The condition is isolated in more than 50% of the cases. The main causes of mortality and morbidity are respiratory insufficiency and persistent pulmonary hypertension of the…
Introduction Incomplete formation of the fetal diaphragm early in gestation results in a diaphragmatic defect allowing abdominal organs to herniate into the chest. These organs compete for space with the growing lungs, leading to inadequate pulmonary development and to respiratory…
Introduction About 1 in 89 spontaneous conceptions results in the birth of twins. However, with the widespread use of artificial reproductive technologies, the incidence of twinning has increased dramatically worldwide, so that in some countries twins now occur once in…