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Lea's Shield Contraceptive

By: Kendra Markwell & Robin Prichard

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How It Works?

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  • Blocks the cervix completely
  • Kept in by vaginal walls
  • Spermicide is recommended
  • Inserted/removed by user (up to 48 hours after intercourse)

Lea's Shield

20th Century & Beyond:

Effectiveness

One way air valve provides suction and the passing of cervical mucus.

Loop

Cap

Insertion/Removal

Wikipedia, (2014). Cervical cap. [online] Available at: http://en.wikipedia.org/wiki/Cervical_cap#History [Accessed 14 Sep. 2014].

  • Plastic Caps
  • Stem caps
  • Usage dropped in 1960s
  • Banned in US for years until late 1970s
  • Caps split into two groups

  • A vaginal barrier device
  • Prescribed by a doctor
  • Medical grade silicon rubber
  • Washable & reusable

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Webmd.com, (2014). Barrier Methods of Birth Control. [online] Available at: http://www.webmd.com/sex/birth-control/barrier-methods-of-birth-control [Accessed 10 Sep. 2014].

Wikipedia, (2014). Cervical cap. [online] Available at: http://en.wikipedia.org/wiki/Cervical_cap#History [Accessed 14 Sep. 2014].

Cost

About as effective other barrier contraceptives.

Correct Use: 12% Failure Rate

With Spermicide: 8% Failure Rate

Average: 15% Failure Rate

Lea's Shield

  • One of the most inexpensive contraceptives
  • Around 65$
  • Reason: Failure rate
  • Reusable

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Epigee Contributors (2014). Lea's Shield, [Online] Retrieved from: http://www.epigee.org/guide/leas_shield.html

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19th Century:

Epigee Contributors (2014). Lea's Shield, [Online] Retrieved from: http://www.epigee.org/guide/leas_shield.html

Advantages

  • German gynecologist Friedrich Wilde invented 1st cervical barrier
  • Custom rubber molds
  • United States "Womb Veil"

Contracept.org, (2014). Lea's Shield Contraceptive. [online] Available at: http://www.contracept.org/leas-shield.php [Accessed 9 Sep. 2014].

  • One size fits all
  • Does not affect a woman's period
  • Longevity
  • Inexpensive
  • Few side effects
  • No Latex

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Wikipedia, (2014). Cervical cap. [online] Available at: http://en.wikipedia.org/wiki/Cervical_cap#History [Accessed 14 Sep. 2014].

History

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Ancient:

Questions?

Disadvantages

Idea of blocking cervix is thousands of years old, and present in many cultures.

Epigee Contributors (2014). Lea's Shield, [Online] Retrieved from: http://www.epigee.org/guide/leas_shield.html

Cervix-Shaped Devices

  • Failure rate (pregnancies)
  • Use of Spermicide
  • Does not protect against STDs/STIs
  • 8.2% of men report discomfort
  • May increase chances of infection
  • Lemon halves
  • Oiled paper cones
  • Sticky mixtures
  • Honey
  • Cedar rosin
  • Animal Excretement

Wikipedia, (2014). Cervical cap. [online] Available at: http://en.wikipedia.org/wiki/Cervical_cap#History [Accessed 14 Sep. 2014].

Epigee Contributors (2014). Lea's Shield, [Online] Retrieved from: http://www.epigee.org/guide/leas_shield.html

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