Ovaries were fixed in 4% paraformaldehyde (pH 7.5) overnight at 4 °C, dehydrated in 50%, 70%, in a graded ethanol series, cleared in xylene three times and finally embedded in paraffin wax. The treated ovaries were sectioned consecutively at 8 μm for hematoxylin and eosin (H&E) staining and IHC staining. Serial ovarian sections were photographed and follicles were counted in every fifth sections using the Image J software and cell counter plugin.
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