Contraception

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Contraception Methods.

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Contraception

  1. 1. Contraception ___________________________ http://biodeluna.wordpress.com
  2. 2. 2
  3. 3. 3 Contraception • Three general strategies: – Prevent ovulation; – Prevent fertilization; • Keep sperm & oocyte away from each other. – Prevent implantation.
  4. 4. 4 Types of Birth Control • BarrierBarrier • HormonalHormonal • IUDIUD • Natural MethodsNatural Methods • Chirurgical (Permanent sterilization)Chirurgical (Permanent sterilization)
  5. 5. 5 BarrierBarrier »Condom »Female condom »Diaphragm barrier
  6. 6. 6 Condom • 98% effective • Protects against some STDs
  7. 7. 7 Female Condom • 95% effective • Protects against some STDs • Noisy • Use extra lubrication
  8. 8. 8 Diaphragm • 95% effective • Requires fitting, manual dexterity • Leave in place 6 hours after intercourse • Use with contraceptive jelly/cream
  9. 9. 9 Diaphragm + spermicides
  10. 10. 10 HormonalHormonal
  11. 11. 11 Hormonal Methods • Oral Contraceptives (Birth Control Pill)
  12. 12. 12 The Pill • 99.5% effective • Lighter, predictable periods • Milder cramps • Protects against uterine, ovarian cancer • Protects against benign breast disease • Low risk of side-effects • Must take a pill each day
  13. 13. 13 “Morning-after pill” • High dose progestins. • Prevents implantation
  14. 14. 14 IUDIUD
  15. 15. 15 INTRAUTERINE DEVICES
  16. 16. 16 IUD • 98-99% effective • Prevents implantation • Lasts 10 years • Heavier, crampier periods • Risk of infection/PID • Risk of ectopic pregnancy • Good candidate: – monogamous
  17. 17. 17 ChirurgicalChirurgical –Sterilization »Vasectomy »Tubal ligation
  18. 18. 18 STERILIZATION • Procedure performed on a man or a woman permanently sterilizes • Female = Tubal Ligation • Male = Vasectomy
  19. 19. 19 Tubal Ligation & Vasectomy • Surgical sterilization • Permanent, irreversible • >99% effective
  20. 20. 20 Vasectomy special offer
  21. 21. 21
  22. 22. 22
  23. 23. 23 NaturalNatural
  24. 24. 24 Rhythm • Avoid unprotected IC day #9-19 • 70-80% effective • Assumes ovulation about day #14 Fertility awareness birth control methods are based on the fact that: •sperm may live in the female reproductive tract for up to 7 days •the female egg lives for only a day •fertilization may occur even days after intercourse •"safe days" occur 2 days after ovulation and continue until your next period
  25. 25. 25 Withdrawal • Removal of penis from the vagina before ejaculation occurs • Some sperm present in pre-ejaculatory fluid. • NOT a sufficient method of birth control by itself • Effectiveness rate is 80% (very unpredictable in teens, wide variation) • 1 of 5 women practicing withdrawal become pregnant • Very difficult for a male to ‘control’
  26. 26. 26 Abstinence / Celibacy 100% effective Is this contraception, or non-participation?
  27. 27. 27
  28. 28. 28
  29. 29. 29 Based on a presentation by: CAPT Mike Hughey, MC, USNR

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