0121-07930121-0793S0121-0793201800020020710.17533/udea.iatreia.v31n2a10ColombiaColombia0006201800062018312207215201717766792-9201438399219921999-1008201431155507-2020142511112419-24201537322222103-162008333881-6201720146522139-5120132017312201410American College of Obstetricians and Gynecologists2011117661472-83201731811111012-3201564420163727272129-20020171-7201491120133419191404-132014255440-62014255429-3619651461-520065977740- 2Sociedad Española de Medicina de Urgencias y Emergencias2017201610366656-6720125955395-403200724566886-9220082473355320129466395-401201510255563-72200832881843-9201236771540-5