Akande, V A Biological versus chronological ageing of oocytes, distinguishable by raised FSH levels in relation to the success of IVF treatment. [electronic resource] - Human reproduction (Oxford, England) Aug 2002 - 2003-8 p. digital Publication Type: Journal Article ISSN: 0268-1161 Standard No.: 10.1093/humrep/17.8.2003 doi Subjects--Topical Terms: AdultBirth RateCellular Senescence--physiologyEmbryo ImplantationFemaleFertilizationFertilization in VitroFollicle Stimulating Hormone--bloodHumansInfertility, Female--bloodMiddle AgedOocytes--physiologyTime FactorsTreatment Outcome