PloS one, 2016, Vol.11 (3), p.e0150857-e0150857
In animal studies, extensive data revealed the influence of culture medium on embryonic development, foetal growth and the behaviour of offspring. However, this impact has never been investigated in humans. For the first time, we investigated in depth the effects of embryo culture media on health, growth and development of infants conceived by In Vitro Fertilization until the age of 5 years old. This single-centre cohort study was based on an earlier randomized study. During six months, in vitro fertilization attempts (No. 371) were randomized according to two media (Single Step Medium--SSM group) or Global medium (Global group). This randomized study was stopped prematurely as significantly lower pregnancy and implantation rates were observed in the SSM group. Singletons (No. 73) conceived in the randomized study were included (42 for Global and 31 for SSM). The medical data for gestational, neonatal and early childhood periods were extracted from medical records and parental interviews (256 variables recorded). The developmental profiles of the children in eight domains (social, self-help, gross motor, fine motor, expressive language, language comprehension, letter knowledge and number knowledge--270 items) were compared in relation to the culture medium. The delivery rate was significantly lower in the SSM group than in the Global group (p〈0.05). The culture medium had no significant effect on birthweight, risk of malformation (minor and major), growth and the frequency of medical concerns. However, the children of the Global group were less likely than those of the SSM group to show developmental problems (p = 0.002), irrespective of the different domains. In conclusion, our findings showed that the embryo culture medium may have an impact on further development.
Fertilization in Vitro ; Culture Media ; Growth ; Humans ; Child, Preschool ; Infant ; Health Status ; Infant, Newborn ; Cohort Studies ; Fertilization in vitro ; Culture media (Biology) ; Embryonic development ; Research ; Child development ; Analysis ; Life Sciences ; Human health and pathology ; Gynecology and obstetrics ; Cognitive science ; Medicine and Health Sciences ; Engineering and Technology ; People and Places ; Biology and Life Sciences ; Social Sciences ; Research and Analysis Methods ; In vitro fertilization ; Neonates ; Fertilization ; Sperm ; Medical records ; Implantation ; Cardiovascular disease ; Infants ; Gene expression ; Pregnancy ; Embryonic growth stage ; Autism ; Embryogenesis ; Offspring ; Randomization ; Language ; DNA methylation ; Culture media ; Epigenetics ; Birth weight ; Reproductive technologies ; Blood pressure ; Children
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