Neem A Tree for Solving Global Problems (1992) / Chapter Skim
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B Breakthroughs in Population Control?
B Breakthroughs in Population Control?
Pages 104-106
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From page 104... ...
Because of the importance of any breakthrough in this area, we reproduce in this appendix the abstracts of three recent research papers that point toward the possibility of neem providing cheap, widely available contraceptives for even the remotest regions of many of the already overpopulated nations.2 ' United Nations Department of International Economic and Social Affairs.
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From page 105... ...
The block in fertility was, however, reversible, as half of the animals regained fertility and delivered normal litters by five months after treatment, without any apparent teratogenic effects. Unilateral administration of neem oil in the uterus blocked pregnancy only on the side of application, whereas the contralateral uterine horn treated with peanut oil had normally developing foetuses; no sign of implantation or foetal resorption was noted in the neem-oil-treated horn.
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From page 106... ...
Neem extract also shows reversible male antifertility activity in mice without inhibition of spermatogenesis. In guinea pigs and rabbits, however, it exhibited toxicity, as demonstrated by 66.6 percent and 74.9 percent mortality in guinea pigs and 80 percent and 90 percent mortality in rabbits at the end of 4 and 6 weeks, respectively.
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