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Michael J levitra . Davies, M.P.H., Ph.D., Vivienne M. Moore, M.P.H., Ph.D., Kristyn J. Willson, B.Sc., Phillipa Van Essen, M.P.H., Kevin Priest, B.Sc., Heather Scott, B.Mgmt., Eric A. Haan, M.B., B.S., and Annabelle Chan, M.B., B.S, D.P.H.: Reproductive Technologies and the chance of Birth Defects Consistent evidence from specific studies, including registry-based cohort research1,2 and meta-analyses, has connected assisted conception involving in vitro fertilization or intracytoplasmic sperm injection with an elevated risk of birth defects.3-8 The associations between the use of these techniques and birth defects have appeared to be stronger for singleton births than for multiple births.9,10 It really is unclear whether the more than birth defects after IVF or ICSI may be due to patient characteristics related to infertility,8 than to the procedure rather, and if the risk is similar across assisted reproductive technology and related therapies.3,10,13 We performed a population-wide cohort study, examining pregnancies and births terminated due to birth defects, to assess the dangers of defects from pregnancy to a child’s fifth birthday across a variety of methods for treating infertility as compared with the risk associated with pregnancy that had not been assisted by reproductive technology .