Contraception refers to methods or devices used to prevent pregnancy. These methods can include various tools and techniques such as condoms, which are worn on the penis to catch sperm; birth control pills, which are taken orally to prevent ovulation; diaphragms, which are flexible devices placed inside the vagina to block sperm; and intrauterine devices (IUDs), which are inserted into the uterus to stop a fertilized egg from attaching. Contraception helps manage fertility by preventing the egg from being fertilized or attached to the uterus. Some methods, like condoms, also offer protection against sexually transmitted infections (STIs).

“contraception”的英语定义和含义

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