Original sentence: "  According to studies between 2003 and 2005, 20 to 35 percent of babies born at 24 weeks of gestation survived, while 50 to 70 percent of babies born at 25 weeks, and more than 90 percent born at 26 to 27 weeks, survived.While there is no sharp limit of development, gestational age, or weight at which a human fetus automatically becomes viable, a 2013 study found that "While only a small proportion of births occur before 24 completed weeks of gestation (about 1 per 1000), survival is rare and most of them are either fetal deaths or live births followed by a neonatal death
Edited sentence: , heartbeat, gasping, movement) who were given active treatment had a 61% survival rate, while 23-week babies had a 71% survival rate.A U.A data review in the United Kingdom showed a 54% survival rate for 22-week babies given intensive care.According to a study in Germany, 22-week babies who showed any sign of life after birth (e.According to studies between 2003 and 2005, 20 to 35 percent of babies born at 24 weeks of gestation survived, while 50 to 70 percent of babies born at 25 weeks, and more than 90 percent born at 26 to 27 weeks, survived.Older data have been less optimistic.Similarly, a study in Sweden showed a 58% survival rate for 22-week babies born alive who were given active treatment, and a 66% survival rate for 23-week babies.Studies in the last decade have shown an increase in survival rates at 22 and 23 weeks of gestation.study showed a 39% survival rate for those given active treatment at 22 weeks and a 55% survival rate for those given active treatment when born at 23 weeks (mothers were given antenatal steroids for both age groups)