Which of these contraceptives doesn't belong with the others?

A) oral contraceptives
B) vaginal rings
C) cervical caps
D) implants

Oral Contraceptives

Pills taken orally to inhibit fertility, typically by preventing ovulation or by altering conditions in the uterus.

Vaginal Rings

Flexible, doughnut-shaped rings placed inside the vagina to deliver hormones for contraception or to address hormonal imbalances.

Cervical Caps

Cervical caps are contraceptive devices that fit over the cervix to prevent sperm from entering the uterus, thereby preventing pregnancy.