Table 2.

Summary of research work of importance of natural products for female fertility.

	Product	Effect	Reference
Positive	Apis mellifera	Antioxidant, antihyperglycemic, and antidiabetic, restoration of reproductive functions, and reduction of endometrial hyperplasia and membrane inflammation	[63, 64]
	Barley, royal jelly	Decrease in free radicals and increase in antioxidant enzymes	[65, 66]
	Cinnamon, Ficus asperifolia water extract	Reduction of oxidative stress and control of lipid components, improving fertility	[67, 68]
Negative	Olea europaea water-alcohol extract and permethrin	Decline in reproductive function even at doses as low as 50 and 35 mg/kg, respectively	[69, 70]
	Tripterygium glycoside extract	Inhibition of the activity of hormone receptors critical in the fertilization process	[71]
	The dose of Ricinus communis L. water extract was higher than 100 mg/ml, and the dose of ethanol extract from Spondias mombin L. and red cultivar Allium cepa methanol extract exceeded 100 mg/kg	Adverse fertility	[72–74]