Maternal age: a major factor affecting the prospects and outcome of pregnancy.
D000375:Aging; D000818:Animals; D005260:Female; D006801:Humans; D008423:Maternal Age; D051379:Mice; D008808:Mice, Inbred CBA; D008855:Microscopy, Electron, Scanning; D009865:Oocytes / Q000502:physiology; D006080:Ovarian Follicle / Q000502:physiology; D011003:Ploidies; D011247:Pregnancy; D011379:Prognosis; D014599:Uterus / Q000502:physiology / Q000648:ultrastructure