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Abstract

This review examines the effects of plant origin various contraceptives on ovulatory events, egg transport, toxic action on eggs, end of implantation stages, and implantation through hypothalamic and pituitary controls. Plant-origin products modify the hormonal environment of fertilized eggs or developing ovums by the use of steroids and other chemicals. These herbal contraceptives affect spermatogenesis and lowers down the number of spermatocytes, intromission, and ejaculation frequencies. These also inhibit sperm production in males and obstruct fertilization in females. These herbal agents successfully obstruct reproduction and control the production, release, and action of hormones. Plant natural products work by blocking the effects of antiandrogens, which affect menstruation and pregnancy, cause birth, and birth control. This review explains the anti-fertility action of many plant species with active ingredients. It is important to understand the long-term effects of plant natural products on body metabolism to prevent undesired toxicity to other organs. These might have more effective role in the regulation of fertility and breakdown of pregnancy. These could be used for longterm family planning equally by both male and female partners. There is a great need for effective, reversible, and safe contraceptives for men and women, but the mechanisms of action of plant extracts and active compounds have yet to be determined.