Effect of interval after surgery on/n vitro fertilization/

Background For patients with severe endometriosis,the spontaneous pregnancy rates have been reported to be near 0 due to extreme distortion of normal pelvic anatomy.Surgery is one of the treatment options;however.f,patients failed to conceive after surgerY,in vitro fertilization(IVF)Is effective.The objective of this retrospective study was to determine the clinicaI characteristics of IVF/intracytoplasmic sperm injection{IC$1)in patients with stage IlillY endometriosis,and to determine the impact of the intervaIfrom surgery to lVF/ICSI on outcome. Methods ORe hundred and sixty patients who were diagnosed with stage III/IV endometriosis underwent lVF/ICSl cycles between February 2004 and June 2009 were enmlled.The mean intervaI from surgery to lVF.number of oocytes retrieved,fertilization rate,implantation rate,embryos transferred,and good embryos transferred were compared between two age groups f<35 years and>35 years).