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Assessment of antiandrogenic and antispermatogenic activity of Hedera nepalensis in adult male rats

The use of medicinal plants for fertility regulation has been prevalent worldwide for many centuries. They possess natural substances having antiandrogenic properties and can be used as source of contraception. In the current study, methanolic leaf extract of Hedera nepalensis was evaluated for antiandrogenic and antispermatogenic activity in adult male rats through various reproductive parameters. Experimental findings showed significantly increased oxidative stress with reduced antioxidant activity at highest dose regimens in both in vitro and in vivo studies. Increased ROS generation and lipid peroxidation lead to DNA damage in rat sperm. In vivo determination of sperm parameters exhibited notable reduction in sperm motility, viability and DSP in dose‐treated animals. Histopathological observations revealed reduced epithelial height and wider lumen having less number of spermatozoa in high‐dose‐treated groups. Additionally, a marked decline noted in Testosterone concentration in all extract treated groups, while plasma LH and FSH levels only in high‐dose‐treated groups were noted. The findings of the current study conclude that methanolic leaf extract of H. nepalensis has the potential to disturb male fertility by generating oxidative stress and hormonal imbalance leading to histological alterations and sperm DNA damage.