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Post-Pregnancy Contraception: What Are a Woman's Options?
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Contraception (birth control) is the prevention of conception (pregnancy).
In the United States, 60% of boys and 50% of girls between the ages of 15 and 19 are sexually active, yet only half of these adolescents use contraception the first time they have intercourse. Approximately one million adolescent girls become pregnant in this country each year, and sexually transmitted diseases (STDs) are becoming more prevalent. Because sexual exploration will be a fact of life for many adolescents, knowledgeable adults should be available to discuss contraceptive alternatives with them before such exploration begins.
Condoms are inexpensive and easy to obtain. Because the condom is the only known way to reduce the spread of STDs (including AIDS), a condom should always be used during sexual intercourse, even when another contraceptive method is used. For contraceptive purposes, a condom alone should never be relied on for protection against pregnancy. For adolescents who use condoms alone, the odds of becoming pregnant within a year are one in five.
The female condom, a new form of contraception, is less effective than the male condom at preventing pregnancy and STD infection. Like the male condom, the female condom can be easily obtained in pharmacies.
| Contraceptive type | Estimated effectiveness | Risks | STD protection | Convenience | Availability |
| Male condom | 85% | Irritation or allergic reaction (rare) | Latex condoms help protect, especially against herpes and AIDS | Applied immediately before intercourse; used only once and discarded | Nonprescription |
| Female condom | 74-79% | Irritation or allergic reaction (rare) | May protect; not as effective as male condom | Applied immediately before intercourse; used only once and discarded | Nonprescription |
| Spermicide alone | 70-80% | Irritation or allergic reaction (rare) | Unknown | Applied no more than one hour prior to intercourse | Nonprescription |
| Sponge | 72-82% | Irritation or allergic reaction (rare); difficulty in removal; toxic shock syndrome (very rare) | None | Can be inserted hours before intercourse and left in place up to 24 hours; used only once and discarded | Nonprescription |
| Oral contraceptive | 97-99% | Blood clots, heart attack and stroke, gallbladder disease, liver tumors, water retention, hypertension, mood changes, dizziness and nausea; not for smokers | None | Must be taken on a daily schedule, regardless of frequency of intercourse | Prescription |
| Implant | 99% | Menstrual cycle irregularity; headaches, nervousness, depression, nausea, dizziness, change of appetite, breast tenderness, weight gain, enlargement of ovaries and/or fallopian tubes, excessive growth of body and facial hair, may subside after first year | None | Effective 24 hours after implantation for approximately 5 years; can be removed by physician at any time | Prescription; minor outpatient surgical procedure |
| Injection | 99% | Amenorrhea, weight gain, and other side effects similar to implant | None | One injection every three months | Prescription |
| Contraceptive type | Estimated effectiveness | Risks | STD protection | Convenience | Availability |
| Source: FDA Consumer, September 1993. | |||||
| Note: For comparison, 60-85% of sexually active women using no contraception would be expected to become pregnant in a year. | |||||
| Diaphragm with spermicide | 82-94% | Irritation and allergic reactions (rare); bladder infection; toxic shock syndrome (very rare) | None | Inserted before intercourse; can be left in place 24 hours, but additional spermicide must be inserted if intercourse is repeated | Prescription |
| Cervical cap with spermicide | At least 82% | Abnormal Pap test; vaginal or cervical infection; toxic shock syndrome (very rare) | None | Can remain in place for 48 hours, not necessary to reapply spermicide for repeated intercourse; may be difficult to insert | Prescription |
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Author Info: Gail B. Slap M.D., Thomson Gale, Detroit, Gale Encyclopedia of Childhood and Adolescence, 1998 |