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Effects of different VT methods on ovarian growth and the steroidogenesis of vitrified/warmed human ovarian tissues during an in vitro culture. a The morphology of ovarian cortex tissues after 14 days of in vitro culture. b E2 production from the ovarian cortex during an in vitro culture (n = 6). c P4 production from the ovarian cortex during an in vitro culture (n = 6). The statistical analysis was conducted by one-way ANOVA. *P < 0.05; **P < 0.01; ***P < 0.001
