Contraception Flashcards
Contraception definition
Deliberate use of techniques that prevent pregnancy as aftermath of sexual intercourse
Natural family planning methods x6 and their efficacy rate
Withdrawal- 74%
Condoms- 82%M, 79%F
Spermicides- 76%
Fertility awareness- 76%
Lactation amenorrhea- 98%
Diaphragm- 88%
Surgical methods of FPx3 and failure rates
Hysterectomy
Vasectomy - 0.15%
Bilateral tube ligation- 0.5%
Long acting methods of FP x3 and failure rates
Copper IUD- 0.8%
Levonorgestrel IUCD- 0.2%
Implant- 0.05%
Hormonal methods of FP x5
Pills
Patch
Vaginal ring
Implants
Injectable- Depo 3M
Levonorgestrel IUCD
Contraception methods to breastfeeding women and their timing x4
Lactational amenorrhea till 6M
Progesterone releasing vaginal ring from 4weeks+
Progesterone only infection from 6 weeks+
Combined oral contraceptives from 6M+
True or false. Progesterone only injections are only given 6weeks postpartum for breastfeeding women
True
5 types of contraceptive methods
Barrier
Hormonal
Permanent
Natural
Intrauterine devices
3 functions of hormonal methods
Prevent ovulation
Thicken cervical mucus
Cause thinning of endometrial wall to prevent implantation
Mechanism of action of progesterone drugs x3
Suppress LF and estrogen and prevents ovulation
Causes thinning of the endometrial wall
Thickening of cervical mucus
What class is microgynon, what does it contain x2
What’s the failure rate
Combined oral contraceptive
Contains 150mcg levonorgestrel and 30mcg ethinyl estradiol
Failure rate 9%
CNS side effects of COC x4
Headache
Moodiness
Mood swings
Decreased libido
3 other drug classes that reduce availability of COCS
Liver inducers
Protease inhibitors
Anticonvulsants
Contraindication of oral contraceptives x5
History of CVA
Thromboembolism
Liver disease/cancer
Breast cancer
Anticonvulsant therapy
Contents of progesterone only pillx2
350mcg norethindrone and 75mcg norgestrel
Contents of emergency contraceptives pills and how its taken
Levonorgestrel 0.75mg taken stat and after 12 hours
Contents of injectables and failure rate
Depot medroxyprogesterone acetate 150mg
Failure rate 6%
Contraindications of injectables x5
Breastfeeding infant <6wks
Breast cancer
Liver disease
Diabetes, BP >160/100
Hx of heart disease or stroke
What do implants release and at what rates x2
70mcg etonorgestrel per 42 hours in the first year and later on becomes 30mcg/dL
Mechanism of action of the implant x4
Suppression of LH surge
Suppression of ovulation
Development of thick cervical mucus
Prevention of endometrial growth
Side effects of implant x5
Headache
Acne
Breast tenderness
Moodiness
Weight changes
What does the contraceptive patch release x2
Estrogen and progestin
What does contraceptive vaginal ring release x2
Etonorgestrel
Ethinyl estradiol
Mechanism of action of copper IUCD x2
Toxic to egg and sperm
Causes local inflammatory reaction making fertilization and implantation difficult
Mechanism of action of levonorgestrel IUCD x2
Thickened cervical mucus alters sperm migration
Endometrial suppression
What does levonorgestrel IUCD release, at what rate and for how long
20mcg levonorgestrel per day for 5 years
Contraindications for IUCD x4
Pregnancy
Abnormal uterine anatomy
Uterine or cervical infection
Uterine or cervical malignancy
Mechanism of action of lactation amenorrhea x2
Reduce LH release- inhibits follicular maturation
Elevated prolactin and reduced GnRH - suppress ovulation
Surgical methods of tubal ligation x2
Mini laparotomy
Laparoscopy
5 types of BTL
Irving
Pomerol
Madlener
Parkland
Kroener fimbriectomy
