Impact of hypnosis during embryo transfer on the outcome of in vitro fertilization–embryo transfer: a case-control study
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OBJECTIVE: To investigate whether hypnosis during ET contributes to successful IVF/ET outcome. DESIGN: Case-control clinical study. SETTING: Academic Fertility and IVF Unit, Soroka Medical Center, Beer-Sheva, Israel. PATIENT(S): Infertile couples undergoing IVF. INTERVENTION(S): Ninety-eight IVF/ET cycles with hypnosis during the ET procedure were matched with 96 regular IVF/ET cycles. MAIN OUTCOME MEASURES: Comparison of clinical pregnancy and implantation rates between the two groups. RESULT(S): We obtained 52 clinical pregnancies out of 98 cycles (53.1%) with an implantation rate of 28% among hypnosis IVF/ET cycles, and 29 out of 96 (30.2%) clinical pregnancies and an implantation rate of 14.4% in the control cycles. Our overall IVF program pregnancy rate for the same period was 32.1%. Logistic regression analysis was performed emphasizing the positive contribution of hypnosis to the IVF/ET conception rates. CONCLUSION(S): This study suggests that the use of hypnosis during ET may significantly improve the IVF/ET cycle outcome in terms of increased implantation and clinical pregnancy rates. Furthermore, it seems that the patients' attitude to the treatment was more favorable.
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