DOES WOMEN’S AGE INFLUENCE ZONA PELLUCIDA BIREFRINGENCE OF METAPHASE ΙΙ OOCYTES IN IN-VITRO MATURATION PROGRAM?

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OMIDI MARJAN; KHALILI MOHAMMAD ALI; NAHANGI HOSSEIN; ASHOURZADEH SAREH; RAHIMIPOUR MARZIEH

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Journal: International Journal of Reproductive BioMedicine Year:2013 | Volume:11 | Issue:10 Page(s): 823-828

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Title

DOES WOMEN’S AGE INFLUENCE ZONA PELLUCIDA BIREFRINGENCE OF METAPHASE ΙΙ OOCYTES IN IN-VITRO MATURATION PROGRAM?

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Keywords

ZP BIREFRINGENCE

MORPHOLOGY

HUMAN OOCYTES

FEMALE AGE

Abstract

Background: In vitro maturation (IVM) is a promising treatment option for certain infertile women. Nowadays, with the aid of PolScope, it has become possible to evaluate zona pellucida (ZP) characteristics as a parameter of oocyte quality. Moreover, quality of oocytes can be influenced by many factors, such as patient’s age. The PolScope system is a non-invasive technique to assess birefringent structures such as the meiotic spindle and ZP in living oocytes.Objective: The aim was to determine the influence of the woman's age on ZP BIREFRINGENCE, a sign of oocyte quality, and MORPHOLOGY of in-vitro matured HUMAN OOCYTES using non-invasive polarized light (PolScope) microscopy.Materials and Methods: ZP BIREFRINGENCE and MORPHOLOGY were determined in 105 retrieved oocytes from 58 women undergoing ICSI in two age groups (≥30 years and <30 years). The immature oocytes were selected and after IVM, the quality of metaphase ΙΙ (MII) oocytes was assessed. The oocytes abnormalities were classified as intracytoplasmic and extracytoplasmic abnormalities.Results: Oocyte maturation rates were significantly reduced in ≥30 year’s women (56%) in comparison with other age group (80.7%). In addition, the ZP BIREFRINGENCE was significantly higher in MII oocytes in the younger group compared with the older group (76.2% vs. 38.1%; p=0.00). Following morphologic assessment, the rates of oocytes with extracytoplasmic (p=0.02) and both abnormalities (extra- and intracytoplasmic) (p=0.01) were higher in aged versus the younger women.Conclusion: There was a positive relationship between advanced maternal age with decreased ZP BIREFRINGENCE and oocyte morphological quality in in-vitro matured HUMAN OOCYTES.

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APA: Copy

OMIDI, MARJAN, KHALILI, MOHAMMAD ALI, NAHANGI, HOSSEIN, ASHOURZADEH, SAREH, & RAHIMIPOUR, MARZIEH. (2013). DOES WOMEN’S AGE INFLUENCE ZONA PELLUCIDA BIREFRINGENCE OF METAPHASE ?? OOCYTES IN IN-VITRO MATURATION PROGRAM?. INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE), 11(10), 823-828. SID. https://sid.ir/paper/296132/en

Vancouver: Copy

OMIDI MARJAN, KHALILI MOHAMMAD ALI, NAHANGI HOSSEIN, ASHOURZADEH SAREH, RAHIMIPOUR MARZIEH. DOES WOMEN’S AGE INFLUENCE ZONA PELLUCIDA BIREFRINGENCE OF METAPHASE ?? OOCYTES IN IN-VITRO MATURATION PROGRAM?. INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE)[Internet]. 2013;11(10):823-828. Available from: https://sid.ir/paper/296132/en

IEEE: Copy

MARJAN OMIDI, MOHAMMAD ALI KHALILI, HOSSEIN NAHANGI, SAREH ASHOURZADEH, and MARZIEH RAHIMIPOUR, “DOES WOMEN’S AGE INFLUENCE ZONA PELLUCIDA BIREFRINGENCE OF METAPHASE ?? OOCYTES IN IN-VITRO MATURATION PROGRAM?,” INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE), vol. 11, no. 10, pp. 823–828, 2013, [Online]. Available: https://sid.ir/paper/296132/en

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