Contraceptives

Definition

Contraceptives are medications or devices used to prevent pregnancy. They can be hormonal, non-hormonal, or barrier methods.

5 Must Know Facts For Your Next Test

1. Hormonal contraceptives commonly include estrogen and progestin or progestin alone.
2. Oral contraceptives have to be taken daily at the same time for maximum effectiveness.
3. The mechanism of action for hormonal contraceptives often involves preventing ovulation and thickening cervical mucus.
4. Common side effects of hormonal contraceptives include nausea, weight gain, and mood changes.
5. Non-hormonal methods such as copper IUDs work by creating an inhospitable environment for sperm.

Review Questions

• What are the two main hormones found in combined oral contraceptives?
• How do hormonal contraceptives primarily prevent pregnancy?
• Name one common side effect associated with hormonal contraceptive use.

Related terms

Estrogen: A primary female sex hormone involved in the regulation of the menstrual cycle and reproductive system.

Progestin: A synthetic form of progesterone used in hormonal contraceptives to prevent ovulation.

Intrauterine Device (IUD): A small T-shaped device inserted into the uterus to prevent pregnancy, available in hormonal and non-hormonal forms.