The Prorace cervical cap took off in England in 1915. (Science Museum, London/) Donna J. Drucker is senior adviser in English as the Language of Instruction at Technische Universität Darmstadt, ...
Barrier methods offer the additional advantage of STD protection, to varying degrees, besides fairly effective contraception. Currently available methods include spermicides, male or female condoms, ...
Human reproduction requires a perfect balance of so many factors that to scientists it seems little short of miraculous that the process ever succeeds. Yet for centuries man has failed to find an ...
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