
Keywords: NOS، سنتاز اکسید نیتریک; TFI, tubal factor infertility; NO, nitric oxide; NOS, nitric oxide synthase; L-NAME, L-NGnitroarginine methyl ester; SEM, scanning electron microscope; AUC, area under the curveAlcohol; Embryo transport; Ectopic pregnancy; Fertility; Nitric oxide