Background: We conducted a systematic review and meta-analysis of existing literature to evaluate the different outcomes of low-dose aspirin on patients undergoing in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI), including clinical pregnancy rate, implantation rate, live birth rate, miscarriage rate, fertilization rate, number of oocytes retrieved, and so forth.
Methods: Electronic databases including PubMed, MEDLINE, and Embase were searched between 1997 and March 2016 to identity eligible studies. The following comparisons between treatment groups were included: aspirin versus placebo; aspirin versus control group; aspirin versus aspirin + prednisolone + control.
Results: Thirteen randomized controlled trials which included 3104 participants were selected. There were no significant differences in implantation rate (RR = 1.15; 95% CI = 0.78-1.70), live birth rate (RR = 1.06; 95% CI = 0.93-1.21), miscarriage rate (RR = 1.28; 95% CI = 0.93-1.77), fertilization rate (RR = 0.91; 95% CI = 0.75-1.11), and endometrial thickness (WMD = 0.15; 95% CI = -0.38-0.67). But the research showed that aspirin treatment may improve the clinical pregnancy rate (RR = 1.16; 95% CI = 1.04-1.28) compared to placebo or no treatment, and reduce the number of oocytes retrieved (WMD = -0.68; 95% CI = -0.91-0.46).
Conclusions: Our findings suggest that low-dose aspirin may improve the pregnancy rate in IVF/ICSI, with the recommended clinical use dose of 100 mg/day. Considering the limitation of included studies, further well-designed large-scaled RCTs are necessary to clarify whether aspirin may improve assisted reproduction outcomes in IVF/ICSI patients.
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| http://dx.doi.org/10.1097/MD.0000000000007720 | DOI Listing |
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