Contraception Flashcards
(10 cards)
What is the mechanism of action of progestin-only hormonal contraception?
Inhibit secretion of pituitary gonadotropins, increase viscosity of cervical mucus, and induce endometrial atrophy.
What is the effectiveness of the copper IUD as commonly used?
0.8 pregnancies per 100 women in the first year of use.
What is the mechanism of action of the levonorgestrel IUD?
Renders endometrium atrophic, stimulates thick cervical mucus, and decreases tubal motility.
What is a common side effect of progestin-only contraceptives?
Irregular bleeding.
What is a contraindication for progestin-only contraceptives?
Pregnancy.
What is the mechanism of action of the copper-T380A IUD?
Prevention of fertilization, inhibition of implantation, and adverse effects on sperm transport.
What is the effectiveness of female sterilization as commonly used?
0.5 pregnancies per 100 women in the first year of use.
What is the mechanism of action of barrier methods?
Prevents pregnancy by blocking the egg and sperm from meeting.
What is the effectiveness of the diaphragm with spermicide as commonly used?
20 pregnancies per 100 women in the first year of use.
What is the effectiveness of fertility awareness-based methods as commonly used?
20 pregnancies per 100 women in the first year of use.
