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Contraceptives are designed to prevent pregnancy in three basic ways: they either block sperm, disable sperm before they reach the uterus, or suppress ovulation. But is one strategy better than the other? And how does each one work? NWHunter describes the mechanics behind different kinds of contraceptives.
Lesson by NWHunter, animation by Draško Ivezić.
Watch video How do contraceptives work? - NWHunter online without registration, duration hours minute second in high quality. This video was added by user TED-Ed 19 September 2016, don't forget to share it with your friends and acquaintances, it has been viewed on our site 1,701,640 once and liked it 18 thousand people.