Prematurity in pregnancies resulting from in vitro fertilization

Abstract

A quantitative, descriptive, retrospective and documentary study is presented to assess the rate of premature births in pregnancies resulting from in vitro fertilization, using the Cryolife program for data collection, which is the program used by the clinic present in the research, for storage of patients' electronic medical records. The study was carried out in a human reproduction clinic in northern Paraná, where we established criteria to identify the index and possible causes of premature births in women with a prevalence of age from 34 to 38 years old who became pregnant through in vitro fertilization among the years 2015 and 2019, using the fresh embryo transfer technique or embryo thaw. It was obtained that in this period 156 babies were born, 59.61% were male, 64.1% were single gestation, 23% were born less than 37 weeks old and 33.3% were born weighing less than 2500 g. And relating to single and twin pregnancies, it was found that 50% of premature babies and 71.15% of babies born with low weight were twins. It is concluded that the rate of premature births in IVF is high, however there was a predominance of single pregnancies during the human reproduction process in the 4 years evaluated.