Examlex
Give an example of a function f : Z → N that is 1-1 and not onto N.
NuvaRing
A hormonal contraceptive device worn inside the vagina that releases estrogen and progestin to prevent ovulation and pregnancy.
Barrier Method
A type of contraception that physically blocks sperm from entering the uterus, examples include condoms and diaphragms.
Female Condom
A barrier contraceptive device worn inside the vagina to prevent sperm from reaching an egg and protect against sexually transmitted infections.
Support Products
Items or services that supplement the main products or services of a company, enhancing the value of their primary offerings.
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