Desogestrel/ethinyl estradiol

Definition

Desogestrel/ethinyl estradiol is a combination oral contraceptive pill containing a progestin (desogestrel) and an estrogen (ethinyl estradiol). It is used to prevent pregnancy by inhibiting ovulation and causing changes in the cervical mucus and endometrium.

5 Must Know Facts For Your Next Test

1. Desogestrel/ethinyl estradiol must be taken at the same time every day for maximum effectiveness.
2. It works primarily by preventing ovulation and also by thickening cervical mucus to block sperm entry.
3. Common side effects include nausea, breast tenderness, weight gain, and mood changes.
4. Desogestrel/ethinyl estradiol may increase the risk of blood clots, stroke, or heart attack, especially in smokers over 35 years old.
5. Certain medications like antibiotics and anticonvulsants can reduce its effectiveness, necessitating backup contraception.

Review Questions

• What are the two main active ingredients in desogestrel/ethinyl estradiol?
• How does desogestrel/ethinyl estradiol prevent pregnancy?
• What should patients be cautious about when taking desogestrel/ethinyl estradiol?

Related terms

Progestin-Only Pill: A type of birth control pill that contains only progestin without estrogen.

Combined Oral Contraceptive Pill: Oral contraceptives that contain both an estrogen and a progestin.

Ethinyl Estradiol:

A synthetic form of estrogen used in many hormonal contraceptives.