| METHOD |
Combined oral and
injectable contraceptives contain
both an estrogen (E) and progestin (P) Types
Mechanisms of Action
- Suppress ovulation
- Thicken cervical mucus, preventing sperm penetration
- Change endometrial lining
- Reduce sperm transport in upper genital tract (fallopian tubes)
When to Start
- Anytime you can be reasonably sure the client is not pregnant (see Client Assessment
chapter)
- Days 17 of the menstrual cycle
- Postpartum:
- after 6 months if using LAM
- after 6 weeks if breastfeeding but not using LAM
- after 3 weeks if not breastfeeding
- Postabortion (immediately or within 7 days)
|
| APPROPRIATE FOR |
- Women of any reproductive age or parity who want highly effective
protection against pregnancy
- Breastfeeding mothers 6 months or more postpartum
(6 weeks or more if not using LAM)
- Postpartum women who are not breastfeeding (may begin after third week
postpartum)
- Postabortion clients (may begin immediately)
- Women with anemia
- Women with moderate to severe menstrual cramping
- Women with irregular menstrual cycles
- Women with histories of ectopic pregnancy
|
| METHOD CHARACTERISTICS: BENEFITS |
- Highly effective
- Rapidly effective
- Pelvic examination not required prior to use
- Do not interfere with intercourse
- Few side effects
- Can be provided by trained nonmedical staff
Noncontraceptive Benefits
- Decrease menstrual flow (lighter, shorter periods)
- Decrease menstrual cramps
- May improve anemia
- Protect against ovarian and endometrial cancer
- Decrease benign breast disease (cysts/lumps) and ovarian cysts
- Prevent ectopic pregnancy
- Protect against some causes of PID
|
| METHOD CHARACTERISTICS: LIMITATIONS |
- Some nausea, dizziness, mild breast tenderness or headaches as well as
spotting or light bleeding (usually disappear within 2 or 3 cycles/injections)
- Effectiveness may be lowered when certain drugs are taken (see table Interactions
with Other Drugs in this chapter)
- Can delay return to fertility
- Serious side effects rare (stroke, blood clots
in lungs or brain and malignant liver tumors) in women using COCs
- Resupply must be available
- Do not protect against STDs including, HBV and
HIV/AIDS
|
| METHOD |
Combined Oral
Contraceptives (COCs) Types (See Table 8 for specific
examples)
- Monophasic: All 21 active pills contain same amount of E/P
- Biphasic: 21 active pills contain 2 different E/P combinations (e.g., 10/11)
- Triphasic: 21 active pills contain 3 different E/P combinations (e.g., 6/5/10)
|
| APPROPRIATE FOR |
- Women who want a combined (estrogen/progestin) contraceptive but do not want injections
|
| METHOD CHARACTERISTICS: BENEFITS |
- Highly effective when taken daily (0.18 pregnancies per 100 women
during the first year of use)
- Rapidly effective (<24 hours)
- Convenient and easy to use
- Client can stop use
Noncontraceptive Benefits
- More regular menstrual cycles
- Immediate return to fertility
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| METHOD CHARACTERISTICS: LIMITATIONS |
- User-dependent (require continued motivation and daily use)
- Forgetfulness increases failure
- Women starting COCs after day 7 of the menstrual
cycle should use a backup method or abstain from sex for 4 days.
|