A<unk>  is a type of hormonal insert that is placed in the<unk> for the purpose of birth control. Some<unk> <unk> s contain both an estrogen and a progestin (brand names NuvaRing and Annovera). Other<unk> <unk> s contain just progesterone (brand name Progering).
Contraceptive vaginal ring
Contraceptive implant
Contraceptive patch
Contraceptive sponge
Intrauterine device
Heat-based contraception
Rectal microbicide
Antiseptic douche