Predictive value of total number of normal morphology and progressively motile sperm on the fertilization failure of short-term insemination in in vitro fertilization

Author(s):  
Guan-Gui Li ◽  
Qing Sun
2002 ◽  
Vol 78 (1) ◽  
pp. 22-28 ◽  
Author(s):  
Sjoerd Repping ◽  
Janne-Meije van Weert ◽  
Ben W.J Mol ◽  
Jan W.A de Vries ◽  
Fulco van der Veen

2018 ◽  
Vol 69 (7) ◽  
pp. 1842-1845
Author(s):  
Lavinia Stelea ◽  
Izabella Petre ◽  
Marius Craina ◽  
Brigitha Vlaicu ◽  
Alina Sisu ◽  
...  

The aim of this study was to determine if body mass can be considered a risk factor for infertility, and if we can find any correlations between the age values and the FSH and estradiol values, and between the BMI values and the FSH and estradiol values. Our whole sample contains 100 patients splinted in two groups (pregnant patients N1=57 subjects, 57%, and not � pregnant patients N1=43 subjects,43%). In the first part we conducted our analysis on the whole group and after that we focused the analysis on the two groups and we made some comparisons between the groups. We obtained a medium, extremely significant correlation in all scenarios between the age and the FSH values. This is the best association from all the cases which we tested. In all twelve cases we have a positive correlation (r ] 0). As well, we obtained that a BMI value higher than 25can be considered a risk factor for obtaining a pregnancy (p[0.05, RR ] 1, OR]1) . Our study shows that women who have weight problems have much less chances of conceiving a baby, even if they ovulate normally. The risk of infertility increases proportionally to the extra pounds. Irregular ovulation in women is the most common fertility disorder due to obesity disease.


2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Alessio Paffoni ◽  
Marco Reschini ◽  
Valerio Pisaturo ◽  
Cristina Guarneri ◽  
Simone Palini ◽  
...  

Abstract Background Total fertilization failure represents a particularly frustrating condition for couples undergoing in vitro fertilization. With the aim of reducing the occurrence of total fertilization failure, intracytoplasmic sperm injection (ICSI) has become the first choice over conventional in vitro fertilization (IVF) procedures although evidence of improved results is still debated and its use in couples without male factor infertility is not recommended. Among the strategies potentially useful to promote the use of conventional IVF, we herein call attention to the late rescue ICSI, which consists in performing ICSI after 18–24 h from conventional insemination on oocytes that show no signs of fertilization. This treatment has however been reported to be associated with a low success rate until recent observations that embryos derived from late rescue ICSI may be transferred after cryopreservation in a frozen-thawed cycle with improved results. The aim of the present study was to assess whether frozen embryos deriving from rescue ICSI performed about 24 h after conventional IVF may represent a valuable option for couples experiencing fertilization failure. Methods A systematic review on the efficacy of late rescue ICSI was performed consulting PUBMED and EMBASE. Results Including twenty-two original studies, we showed that clinical pregnancy rate per embryo transfer and implantation rate obtainable with fresh embryo transfers after rescue ICSI are not satisfactory being equal to 10 and 5%, respectively. The transfer of cryopreserved rescue ICSI embryos seems to offer a substantial improvement of success rates, with pregnancy rate per embryo transfer and implantation rate equal to 36 and 18%, respectively. Coupling rescue ICSI with frozen embryo transfer may ameliorate the clinical pregnancy rate for embryo transfer with an Odds Ratio = 4.7 (95% CI:2.6–8.6). Conclusion Results of the present review support the idea that r-ICSI coupled with frozen embryo transfer may overcome most of the technical and biological issues associated with fresh transfer after late r-ICSI, thus possibly representing an efficient procedure for couples experiencing fertilization failure following conventional IVF cycles. Trial registration Prospero registration ID: CRD42021239026.


1994 ◽  
Vol 11 (9) ◽  
pp. 445-451 ◽  
Author(s):  
Sai Ma ◽  
Dagmar K. Kalousek ◽  
Basil Ho Yuen ◽  
Voctor Gomel ◽  
Seiji Katagiri ◽  
...  

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